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Finding the Fourth Proportional to 74,854.29, 112,281.44 and 59,790.88

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Solution

The fourth proportional to 74,854.29, 112,281.44 and 59,790.88 is: 89,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,854.29 : 112,281.44 = 59,790.88 : x
  2. Step 2: Convert to fraction form
    74,854.29/112,281.44 = 59,790.88/x
  3. Step 3: Cross multiply
    74,854.29x = 112,281.44 × 59,790.88
  4. Step 4: Simplify right side
    74,854.29x = 6,713,406,105.27
  5. Step 5: Solve for x
    x = 6,713,406,105.27/74,854.29
  6. Step 6: Final answer
    x = 89,686.32

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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.