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Finding the Fourth Proportional to 159,264.08, 219,693 and 99,544.40

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Solution

The fourth proportional to 159,264.08, 219,693 and 99,544.40 is: 137,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,264.08 : 219,693 = 99,544.40 : x
  2. Step 2: Convert to fraction form
    159,264.08/219,693 = 99,544.40/x
  3. Step 3: Cross multiply
    159,264.08x = 219,693 × 99,544.40
  4. Step 4: Simplify right side
    159,264.08x = 21,869,207,869.20
  5. Step 5: Solve for x
    x = 21,869,207,869.20/159,264.08
  6. Step 6: Final answer
    x = 137,314.13

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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.