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Finding the Fourth Proportional to 157,967.70, 236,951.52 and 63,240.52

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Solution

The fourth proportional to 157,967.70, 236,951.52 and 63,240.52 is: 94,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,967.70 : 236,951.52 = 63,240.52 : x
  2. Step 2: Convert to fraction form
    157,967.70/236,951.52 = 63,240.52/x
  3. Step 3: Cross multiply
    157,967.70x = 236,951.52 × 63,240.52
  4. Step 4: Simplify right side
    157,967.70x = 14,984,937,339.59
  5. Step 5: Solve for x
    x = 14,984,937,339.59/157,967.70
  6. Step 6: Final answer
    x = 94,860.77

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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.