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Finding the Fourth Proportional to 161,648.57, 223,074.90 and 93,704.90

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Solution

The fourth proportional to 161,648.57, 223,074.90 and 93,704.90 is: 129,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,648.57 : 223,074.90 = 93,704.90 : x
  2. Step 2: Convert to fraction form
    161,648.57/223,074.90 = 93,704.90/x
  3. Step 3: Cross multiply
    161,648.57x = 223,074.90 × 93,704.90
  4. Step 4: Simplify right side
    161,648.57x = 20,903,209,730.24
  5. Step 5: Solve for x
    x = 20,903,209,730.24/161,648.57
  6. Step 6: Final answer
    x = 129,312.68

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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.