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Finding the Fourth Proportional to 125,671.95, 173,422.89 and 69,082.92

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Solution

The fourth proportional to 125,671.95, 173,422.89 and 69,082.92 is: 95,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,671.95 : 173,422.89 = 69,082.92 : x
  2. Step 2: Convert to fraction form
    125,671.95/173,422.89 = 69,082.92/x
  3. Step 3: Cross multiply
    125,671.95x = 173,422.89 × 69,082.92
  4. Step 4: Simplify right side
    125,671.95x = 11,980,559,636.04
  5. Step 5: Solve for x
    x = 11,980,559,636.04/125,671.95
  6. Step 6: Final answer
    x = 95,332.01

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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.