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Finding the Fourth Proportional to 106,674.38, 147,209.74 and 58,926.70

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Solution

The fourth proportional to 106,674.38, 147,209.74 and 58,926.70 is: 81,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,674.38 : 147,209.74 = 58,926.70 : x
  2. Step 2: Convert to fraction form
    106,674.38/147,209.74 = 58,926.70/x
  3. Step 3: Cross multiply
    106,674.38x = 147,209.74 × 58,926.70
  4. Step 4: Simplify right side
    106,674.38x = 8,674,584,222.75
  5. Step 5: Solve for x
    x = 8,674,584,222.75/106,674.38
  6. Step 6: Final answer
    x = 81,318.35

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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.