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Finding the Fourth Proportional to 125,655.30, 173,402.37 and 69,065.46

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Solution

The fourth proportional to 125,655.30, 173,402.37 and 69,065.46 is: 95,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,655.30 : 173,402.37 = 69,065.46 : x
  2. Step 2: Convert to fraction form
    125,655.30/173,402.37 = 69,065.46/x
  3. Step 3: Cross multiply
    125,655.30x = 173,402.37 × 69,065.46
  4. Step 4: Simplify right side
    125,655.30x = 11,976,114,449.14
  5. Step 5: Solve for x
    x = 11,976,114,449.14/125,655.30
  6. Step 6: Final answer
    x = 95,309.27

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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.