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Finding the Fourth Proportional to 153,030,400.80, 229,545,601.20 and 153,030,400.80

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Solution

The fourth proportional to 153,030,400.80, 229,545,601.20 and 153,030,400.80 is: 229,545,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,030,400.80 : 229,545,601.20 = 153,030,400.80 : x
  2. Step 2: Convert to fraction form
    153,030,400.80/229,545,601.20 = 153,030,400.80/x
  3. Step 3: Cross multiply
    153,030,400.80x = 229,545,601.20 × 153,030,400.80
  4. Step 4: Simplify right side
    153,030,400.80x = 35,127,455,353,512,960
  5. Step 5: Solve for x
    x = 35,127,455,353,512,960/153,030,400.80
  6. Step 6: Final answer
    x = 229,545,601.20

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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.