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Finding the Fourth Proportional to 133,947.60, 201,151.80 and 94,779.60

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Solution

The fourth proportional to 133,947.60, 201,151.80 and 94,779.60 is: 142,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,947.60 : 201,151.80 = 94,779.60 : x
  2. Step 2: Convert to fraction form
    133,947.60/201,151.80 = 94,779.60/x
  3. Step 3: Cross multiply
    133,947.60x = 201,151.80 × 94,779.60
  4. Step 4: Simplify right side
    133,947.60x = 19,065,087,143.28
  5. Step 5: Solve for x
    x = 19,065,087,143.28/133,947.60
  6. Step 6: Final answer
    x = 142,332.43

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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.