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Finding the Fourth Proportional to 73,501.90, 110,252.85 and 47,257.90

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Solution

The fourth proportional to 73,501.90, 110,252.85 and 47,257.90 is: 70,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,501.90 : 110,252.85 = 47,257.90 : x
  2. Step 2: Convert to fraction form
    73,501.90/110,252.85 = 47,257.90/x
  3. Step 3: Cross multiply
    73,501.90x = 110,252.85 × 47,257.90
  4. Step 4: Simplify right side
    73,501.90x = 5,210,318,160.02
  5. Step 5: Solve for x
    x = 5,210,318,160.02/73,501.90
  6. Step 6: Final answer
    x = 70,886.85

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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.