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Finding the Fourth Proportional to 173,246.10, 259,869.15 and 147,876.90

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Solution

The fourth proportional to 173,246.10, 259,869.15 and 147,876.90 is: 221,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,246.10 : 259,869.15 = 147,876.90 : x
  2. Step 2: Convert to fraction form
    173,246.10/259,869.15 = 147,876.90/x
  3. Step 3: Cross multiply
    173,246.10x = 259,869.15 × 147,876.90
  4. Step 4: Simplify right side
    173,246.10x = 38,428,644,307.64
  5. Step 5: Solve for x
    x = 38,428,644,307.64/173,246.10
  6. Step 6: Final answer
    x = 221,815.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.