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Finding the Fourth Proportional to 125,843.17, 173,663.53 and 69,254.55

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Solution

The fourth proportional to 125,843.17, 173,663.53 and 69,254.55 is: 95,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,843.17 : 173,663.53 = 69,254.55 : x
  2. Step 2: Convert to fraction form
    125,843.17/173,663.53 = 69,254.55/x
  3. Step 3: Cross multiply
    125,843.17x = 173,663.53 × 69,254.55
  4. Step 4: Simplify right side
    125,843.17x = 12,026,988,960.00
  5. Step 5: Solve for x
    x = 12,026,988,960.00/125,843.17
  6. Step 6: Final answer
    x = 95,571.25

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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.