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Finding the Fourth Proportional to 132,753.60, 199,360.80 and 70,545.60

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Solution

The fourth proportional to 132,753.60, 199,360.80 and 70,545.60 is: 105,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,753.60 : 199,360.80 = 70,545.60 : x
  2. Step 2: Convert to fraction form
    132,753.60/199,360.80 = 70,545.60/x
  3. Step 3: Cross multiply
    132,753.60x = 199,360.80 × 70,545.60
  4. Step 4: Simplify right side
    132,753.60x = 14,064,027,252.48
  5. Step 5: Solve for x
    x = 14,064,027,252.48/132,753.60
  6. Step 6: Final answer
    x = 105,940.84

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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.