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Finding the Fourth Proportional to 181,092.76, 249,923.82 and 105,665.56

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Solution

The fourth proportional to 181,092.76, 249,923.82 and 105,665.56 is: 145,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,092.76 : 249,923.82 = 105,665.56 : x
  2. Step 2: Convert to fraction form
    181,092.76/249,923.82 = 105,665.56/x
  3. Step 3: Cross multiply
    181,092.76x = 249,923.82 × 105,665.56
  4. Step 4: Simplify right side
    181,092.76x = 26,408,340,397.64
  5. Step 5: Solve for x
    x = 26,408,340,397.64/181,092.76
  6. Step 6: Final answer
    x = 145,827.70

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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.