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Finding the Fourth Proportional to 88,892.43, 133,318.64 and 25,698.47

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Solution

The fourth proportional to 88,892.43, 133,318.64 and 25,698.47 is: 38,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,892.43 : 133,318.64 = 25,698.47 : x
  2. Step 2: Convert to fraction form
    88,892.43/133,318.64 = 25,698.47/x
  3. Step 3: Cross multiply
    88,892.43x = 133,318.64 × 25,698.47
  4. Step 4: Simplify right side
    88,892.43x = 3,426,084,275.40
  5. Step 5: Solve for x
    x = 3,426,084,275.40/88,892.43
  6. Step 6: Final answer
    x = 38,541.91

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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.