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Finding the Fourth Proportional to 625,441.34, 938,162.02 and 152,127.02

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Solution

The fourth proportional to 625,441.34, 938,162.02 and 152,127.02 is: 228,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,441.34 : 938,162.02 = 152,127.02 : x
  2. Step 2: Convert to fraction form
    625,441.34/938,162.02 = 152,127.02/x
  3. Step 3: Cross multiply
    625,441.34x = 938,162.02 × 152,127.02
  4. Step 4: Simplify right side
    625,441.34x = 142,719,792,379.78
  5. Step 5: Solve for x
    x = 142,719,792,379.78/625,441.34
  6. Step 6: Final answer
    x = 228,190.53

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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.