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Finding the Fourth Proportional to 125,702.38, 173,467.88 and 93,580.62

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Solution

The fourth proportional to 125,702.38, 173,467.88 and 93,580.62 is: 129,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,702.38 : 173,467.88 = 93,580.62 : x
  2. Step 2: Convert to fraction form
    125,702.38/173,467.88 = 93,580.62/x
  3. Step 3: Cross multiply
    125,702.38x = 173,467.88 × 93,580.62
  4. Step 4: Simplify right side
    125,702.38x = 16,233,230,993.01
  5. Step 5: Solve for x
    x = 16,233,230,993.01/125,702.38
  6. Step 6: Final answer
    x = 129,140.20

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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.