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Finding the Fourth Proportional to 181,062.70, 249,868.18 and 109,490.56

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Solution

The fourth proportional to 181,062.70, 249,868.18 and 109,490.56 is: 151,097.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,062.70 : 249,868.18 = 109,490.56 : x
  2. Step 2: Convert to fraction form
    181,062.70/249,868.18 = 109,490.56/x
  3. Step 3: Cross multiply
    181,062.70x = 249,868.18 × 109,490.56
  4. Step 4: Simplify right side
    181,062.70x = 27,358,206,954.38
  5. Step 5: Solve for x
    x = 27,358,206,954.38/181,062.70
  6. Step 6: Final answer
    x = 151,097.97

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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.