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Finding the Fourth Proportional to 157,225.16, 216,936.96 and 93,550.52

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Solution

The fourth proportional to 157,225.16, 216,936.96 and 93,550.52 is: 129,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,225.16 : 216,936.96 = 93,550.52 : x
  2. Step 2: Convert to fraction form
    157,225.16/216,936.96 = 93,550.52/x
  3. Step 3: Cross multiply
    157,225.16x = 216,936.96 × 93,550.52
  4. Step 4: Simplify right side
    157,225.16x = 20,294,565,415.22
  5. Step 5: Solve for x
    x = 20,294,565,415.22/157,225.16
  6. Step 6: Final answer
    x = 129,079.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.