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Finding the Fourth Proportional to 253,646.07, 380,494.28 and 93,763.90

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Solution

The fourth proportional to 253,646.07, 380,494.28 and 93,763.90 is: 140,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,646.07 : 380,494.28 = 93,763.90 : x
  2. Step 2: Convert to fraction form
    253,646.07/380,494.28 = 93,763.90/x
  3. Step 3: Cross multiply
    253,646.07x = 380,494.28 × 93,763.90
  4. Step 4: Simplify right side
    253,646.07x = 35,676,627,620.49
  5. Step 5: Solve for x
    x = 35,676,627,620.49/253,646.07
  6. Step 6: Final answer
    x = 140,655.16

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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.