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Finding the Fourth Proportional to 161,762.50, 223,205.99 and 93,766.20

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Solution

The fourth proportional to 161,762.50, 223,205.99 and 93,766.20 is: 129,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,762.50 : 223,205.99 = 93,766.20 : x
  2. Step 2: Convert to fraction form
    161,762.50/223,205.99 = 93,766.20/x
  3. Step 3: Cross multiply
    161,762.50x = 223,205.99 × 93,766.20
  4. Step 4: Simplify right side
    161,762.50x = 20,929,177,499.54
  5. Step 5: Solve for x
    x = 20,929,177,499.54/161,762.50
  6. Step 6: Final answer
    x = 129,382.13

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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.