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Finding the Fourth Proportional to 70,502.23, 105,545.58 and 61,754.23

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Solution

The fourth proportional to 70,502.23, 105,545.58 and 61,754.23 is: 92,449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,502.23 : 105,545.58 = 61,754.23 : x
  2. Step 2: Convert to fraction form
    70,502.23/105,545.58 = 61,754.23/x
  3. Step 3: Cross multiply
    70,502.23x = 105,545.58 × 61,754.23
  4. Step 4: Simplify right side
    70,502.23x = 6,517,886,022.80
  5. Step 5: Solve for x
    x = 6,517,886,022.80/70,502.23
  6. Step 6: Final answer
    x = 92,449.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.