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Finding the Fourth Proportional to 88,714.60, 133,071.90 and 87,548.20

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Solution

The fourth proportional to 88,714.60, 133,071.90 and 87,548.20 is: 131,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,714.60 : 133,071.90 = 87,548.20 : x
  2. Step 2: Convert to fraction form
    88,714.60/133,071.90 = 87,548.20/x
  3. Step 3: Cross multiply
    88,714.60x = 133,071.90 × 87,548.20
  4. Step 4: Simplify right side
    88,714.60x = 11,650,205,315.58
  5. Step 5: Solve for x
    x = 11,650,205,315.58/88,714.60
  6. Step 6: Final answer
    x = 131,322.30

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1.5x scale

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.