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Finding the Fourth Proportional to 92,354.68, 127,425.90 and 56,531.80

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Solution

The fourth proportional to 92,354.68, 127,425.90 and 56,531.80 is: 77,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,354.68 : 127,425.90 = 56,531.80 : x
  2. Step 2: Convert to fraction form
    92,354.68/127,425.90 = 56,531.80/x
  3. Step 3: Cross multiply
    92,354.68x = 127,425.90 × 56,531.80
  4. Step 4: Simplify right side
    92,354.68x = 7,203,615,493.62
  5. Step 5: Solve for x
    x = 7,203,615,493.62/92,354.68
  6. Step 6: Final answer
    x = 77,999.46

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1.5x scale

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.