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Finding the Fourth Proportional to 435,702.60, 653,554.44 and 136,184.72

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Solution

The fourth proportional to 435,702.60, 653,554.44 and 136,184.72 is: 204,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,702.60 : 653,554.44 = 136,184.72 : x
  2. Step 2: Convert to fraction form
    435,702.60/653,554.44 = 136,184.72/x
  3. Step 3: Cross multiply
    435,702.60x = 653,554.44 × 136,184.72
  4. Step 4: Simplify right side
    435,702.60x = 89,004,125,148.38
  5. Step 5: Solve for x
    x = 89,004,125,148.38/435,702.60
  6. Step 6: Final answer
    x = 204,277.24

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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.