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Finding the Fourth Proportional to 181,627.52, 250,646.24 and 102,139.52

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Solution

The fourth proportional to 181,627.52, 250,646.24 and 102,139.52 is: 140,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,627.52 : 250,646.24 = 102,139.52 : x
  2. Step 2: Convert to fraction form
    181,627.52/250,646.24 = 102,139.52/x
  3. Step 3: Cross multiply
    181,627.52x = 250,646.24 × 102,139.52
  4. Step 4: Simplify right side
    181,627.52x = 25,600,886,643.40
  5. Step 5: Solve for x
    x = 25,600,886,643.40/181,627.52
  6. Step 6: Final answer
    x = 140,952.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.