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Finding the Fourth Proportional to 161,762, 223,205.30 and 93,765.71

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Solution

The fourth proportional to 161,762, 223,205.30 and 93,765.71 is: 129,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,762 : 223,205.30 = 93,765.71 : x
  2. Step 2: Convert to fraction form
    161,762/223,205.30 = 93,765.71/x
  3. Step 3: Cross multiply
    161,762x = 223,205.30 × 93,765.71
  4. Step 4: Simplify right side
    161,762x = 20,929,002,314.24
  5. Step 5: Solve for x
    x = 20,929,002,314.24/161,762
  6. Step 6: Final answer
    x = 129,381.45

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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.