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Finding the Fourth Proportional to 132,007.38, 197,945.57 and 42,038.37

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Solution

The fourth proportional to 132,007.38, 197,945.57 and 42,038.37 is: 63,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,007.38 : 197,945.57 = 42,038.37 : x
  2. Step 2: Convert to fraction form
    132,007.38/197,945.57 = 42,038.37/x
  3. Step 3: Cross multiply
    132,007.38x = 197,945.57 × 42,038.37
  4. Step 4: Simplify right side
    132,007.38x = 8,321,309,646.49
  5. Step 5: Solve for x
    x = 8,321,309,646.49/132,007.38
  6. Step 6: Final answer
    x = 63,036.70

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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.