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Finding the Fourth Proportional to 92,602.48, 127,848.36 and 71,340.88

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Solution

The fourth proportional to 92,602.48, 127,848.36 and 71,340.88 is: 98,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,602.48 : 127,848.36 = 71,340.88 : x
  2. Step 2: Convert to fraction form
    92,602.48/127,848.36 = 71,340.88/x
  3. Step 3: Cross multiply
    92,602.48x = 127,848.36 × 71,340.88
  4. Step 4: Simplify right side
    92,602.48x = 9,120,814,508.96
  5. Step 5: Solve for x
    x = 9,120,814,508.96/92,602.48
  6. Step 6: Final answer
    x = 98,494.28

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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.