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Finding the Fourth Proportional to 226,697,364.80, 340,423,960.80 and 124,534,721.60

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Solution

The fourth proportional to 226,697,364.80, 340,423,960.80 and 124,534,721.60 is: 187,009,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,697,364.80 : 340,423,960.80 = 124,534,721.60 : x
  2. Step 2: Convert to fraction form
    226,697,364.80/340,423,960.80 = 124,534,721.60/x
  3. Step 3: Cross multiply
    226,697,364.80x = 340,423,960.80 × 124,534,721.60
  4. Step 4: Simplify right side
    226,697,364.80x = 42,394,603,184,197,312
  5. Step 5: Solve for x
    x = 42,394,603,184,197,312/226,697,364.80
  6. Step 6: Final answer
    x = 187,009,686.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.