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Finding the Fourth Proportional to 92,577.60, 127,677.60 and 72,403.20

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Solution

The fourth proportional to 92,577.60, 127,677.60 and 72,403.20 is: 99,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,577.60 : 127,677.60 = 72,403.20 : x
  2. Step 2: Convert to fraction form
    92,577.60/127,677.60 = 72,403.20/x
  3. Step 3: Cross multiply
    92,577.60x = 127,677.60 × 72,403.20
  4. Step 4: Simplify right side
    92,577.60x = 9,244,266,808.32
  5. Step 5: Solve for x
    x = 9,244,266,808.32/92,577.60
  6. Step 6: Final answer
    x = 99,854.25

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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.