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Finding the Fourth Proportional to 125,433.64, 173,097.38 and 68,841.64

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Solution

The fourth proportional to 125,433.64, 173,097.38 and 68,841.64 is: 95,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,433.64 : 173,097.38 = 68,841.64 : x
  2. Step 2: Convert to fraction form
    125,433.64/173,097.38 = 68,841.64/x
  3. Step 3: Cross multiply
    125,433.64x = 173,097.38 × 68,841.64
  4. Step 4: Simplify right side
    125,433.64x = 11,916,307,518.90
  5. Step 5: Solve for x
    x = 11,916,307,518.90/125,433.64
  6. Step 6: Final answer
    x = 95,000.89

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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.