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Finding the Fourth Proportional to 144,663.60, 217,060.20 and 65,737.20

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Solution

The fourth proportional to 144,663.60, 217,060.20 and 65,737.20 is: 98,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,663.60 : 217,060.20 = 65,737.20 : x
  2. Step 2: Convert to fraction form
    144,663.60/217,060.20 = 65,737.20/x
  3. Step 3: Cross multiply
    144,663.60x = 217,060.20 × 65,737.20
  4. Step 4: Simplify right side
    144,663.60x = 14,268,929,779.44
  5. Step 5: Solve for x
    x = 14,268,929,779.44/144,663.60
  6. Step 6: Final answer
    x = 98,635.25

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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.