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Finding the Fourth Proportional to 183,591.64, 253,335.90 and 103,002.40

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Solution

The fourth proportional to 183,591.64, 253,335.90 and 103,002.40 is: 142,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,591.64 : 253,335.90 = 103,002.40 : x
  2. Step 2: Convert to fraction form
    183,591.64/253,335.90 = 103,002.40/x
  3. Step 3: Cross multiply
    183,591.64x = 253,335.90 × 103,002.40
  4. Step 4: Simplify right side
    183,591.64x = 26,094,205,706.16
  5. Step 5: Solve for x
    x = 26,094,205,706.16/183,591.64
  6. Step 6: Final answer
    x = 142,131.78

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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.