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Finding the Fourth Proportional to 68,915.52, 95,139.54 and 46,373.04

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Solution

The fourth proportional to 68,915.52, 95,139.54 and 46,373.04 is: 64,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,915.52 : 95,139.54 = 46,373.04 : x
  2. Step 2: Convert to fraction form
    68,915.52/95,139.54 = 46,373.04/x
  3. Step 3: Cross multiply
    68,915.52x = 95,139.54 × 46,373.04
  4. Step 4: Simplify right side
    68,915.52x = 4,411,909,694.00
  5. Step 5: Solve for x
    x = 4,411,909,694.00/68,915.52
  6. Step 6: Final answer
    x = 64,019.10

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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.