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Finding the Fourth Proportional to 161,763.52, 223,234.53 and 93,820.75

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Solution

The fourth proportional to 161,763.52, 223,234.53 and 93,820.75 is: 129,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,763.52 : 223,234.53 = 93,820.75 : x
  2. Step 2: Convert to fraction form
    161,763.52/223,234.53 = 93,820.75/x
  3. Step 3: Cross multiply
    161,763.52x = 223,234.53 × 93,820.75
  4. Step 4: Simplify right side
    161,763.52x = 20,944,031,030.50
  5. Step 5: Solve for x
    x = 20,944,031,030.50/161,763.52
  6. Step 6: Final answer
    x = 129,473.14

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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.