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Finding the Fourth Proportional to 159,096.48, 219,547.24 and 87,472.24

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Solution

The fourth proportional to 159,096.48, 219,547.24 and 87,472.24 is: 120,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,096.48 : 219,547.24 = 87,472.24 : x
  2. Step 2: Convert to fraction form
    159,096.48/219,547.24 = 87,472.24/x
  3. Step 3: Cross multiply
    159,096.48x = 219,547.24 × 87,472.24
  4. Step 4: Simplify right side
    159,096.48x = 19,204,288,868.62
  5. Step 5: Solve for x
    x = 19,204,288,868.62/159,096.48
  6. Step 6: Final answer
    x = 120,708.45

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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.