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Finding the Fourth Proportional to 70,833.59, 105,732.15 and 62,426.29

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Solution

The fourth proportional to 70,833.59, 105,732.15 and 62,426.29 is: 93,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,833.59 : 105,732.15 = 62,426.29 : x
  2. Step 2: Convert to fraction form
    70,833.59/105,732.15 = 62,426.29/x
  3. Step 3: Cross multiply
    70,833.59x = 105,732.15 × 62,426.29
  4. Step 4: Simplify right side
    70,833.59x = 6,600,465,858.22
  5. Step 5: Solve for x
    x = 6,600,465,858.22/70,833.59
  6. Step 6: Final answer
    x = 93,182.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.