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Finding the Fourth Proportional to 67,332.60, 100,852.02 and 55,513.08

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Solution

The fourth proportional to 67,332.60, 100,852.02 and 55,513.08 is: 83,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,332.60 : 100,852.02 = 55,513.08 : x
  2. Step 2: Convert to fraction form
    67,332.60/100,852.02 = 55,513.08/x
  3. Step 3: Cross multiply
    67,332.60x = 100,852.02 × 55,513.08
  4. Step 4: Simplify right side
    67,332.60x = 5,598,606,254.42
  5. Step 5: Solve for x
    x = 5,598,606,254.42/67,332.60
  6. Step 6: Final answer
    x = 83,148.52

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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.