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Finding the Fourth Proportional to 117,178.93, 175,768.63 and 42,351.92

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Solution

The fourth proportional to 117,178.93, 175,768.63 and 42,351.92 is: 63,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,178.93 : 175,768.63 = 42,351.92 : x
  2. Step 2: Convert to fraction form
    117,178.93/175,768.63 = 42,351.92/x
  3. Step 3: Cross multiply
    117,178.93x = 175,768.63 × 42,351.92
  4. Step 4: Simplify right side
    117,178.93x = 7,444,137,971.55
  5. Step 5: Solve for x
    x = 7,444,137,971.55/117,178.93
  6. Step 6: Final answer
    x = 63,527.96

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1.5x scale

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.