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Finding the Fourth Proportional to 125,950.40, 173,810.40 and 69,360.56

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Solution

The fourth proportional to 125,950.40, 173,810.40 and 69,360.56 is: 95,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,950.40 : 173,810.40 = 69,360.56 : x
  2. Step 2: Convert to fraction form
    125,950.40/173,810.40 = 69,360.56/x
  3. Step 3: Cross multiply
    125,950.40x = 173,810.40 × 69,360.56
  4. Step 4: Simplify right side
    125,950.40x = 12,055,586,677.82
  5. Step 5: Solve for x
    x = 12,055,586,677.82/125,950.40
  6. Step 6: Final answer
    x = 95,716.94

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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.