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Finding the Fourth Proportional to 92,010.80, 127,071.29 and 63,404.84

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Solution

The fourth proportional to 92,010.80, 127,071.29 and 63,404.84 is: 87,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,010.80 : 127,071.29 = 63,404.84 : x
  2. Step 2: Convert to fraction form
    92,010.80/127,071.29 = 63,404.84/x
  3. Step 3: Cross multiply
    92,010.80x = 127,071.29 × 63,404.84
  4. Step 4: Simplify right side
    92,010.80x = 8,056,935,287.23
  5. Step 5: Solve for x
    x = 8,056,935,287.23/92,010.80
  6. Step 6: Final answer
    x = 87,565.10

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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.