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Finding the Fourth Proportional to 114,385.88, 157,862.10 and 63,411.08

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Solution

The fourth proportional to 114,385.88, 157,862.10 and 63,411.08 is: 87,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,385.88 : 157,862.10 = 63,411.08 : x
  2. Step 2: Convert to fraction form
    114,385.88/157,862.10 = 63,411.08/x
  3. Step 3: Cross multiply
    114,385.88x = 157,862.10 × 63,411.08
  4. Step 4: Simplify right side
    114,385.88x = 10,010,206,252.07
  5. Step 5: Solve for x
    x = 10,010,206,252.07/114,385.88
  6. Step 6: Final answer
    x = 87,512.60

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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.