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Finding the Fourth Proportional to 156,073.60, 233,714.40 and 85,873.60

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Solution

The fourth proportional to 156,073.60, 233,714.40 and 85,873.60 is: 128,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,073.60 : 233,714.40 = 85,873.60 : x
  2. Step 2: Convert to fraction form
    156,073.60/233,714.40 = 85,873.60/x
  3. Step 3: Cross multiply
    156,073.60x = 233,714.40 × 85,873.60
  4. Step 4: Simplify right side
    156,073.60x = 20,069,896,899.84
  5. Step 5: Solve for x
    x = 20,069,896,899.84/156,073.60
  6. Step 6: Final answer
    x = 128,592.52

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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.