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Finding the Fourth Proportional to 157,307.87, 235,831.19 and 62,479.55

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Solution

The fourth proportional to 157,307.87, 235,831.19 and 62,479.55 is: 93,667.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,307.87 : 235,831.19 = 62,479.55 : x
  2. Step 2: Convert to fraction form
    157,307.87/235,831.19 = 62,479.55/x
  3. Step 3: Cross multiply
    157,307.87x = 235,831.19 × 62,479.55
  4. Step 4: Simplify right side
    157,307.87x = 14,734,625,135.61
  5. Step 5: Solve for x
    x = 14,734,625,135.61/157,307.87
  6. Step 6: Final answer
    x = 93,667.44

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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.