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Finding the Fourth Proportional to 169,193.88, 233,486.64 and 93,742.20

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Solution

The fourth proportional to 169,193.88, 233,486.64 and 93,742.20 is: 129,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,193.88 : 233,486.64 = 93,742.20 : x
  2. Step 2: Convert to fraction form
    169,193.88/233,486.64 = 93,742.20/x
  3. Step 3: Cross multiply
    169,193.88x = 233,486.64 × 93,742.20
  4. Step 4: Simplify right side
    169,193.88x = 21,887,551,304.21
  5. Step 5: Solve for x
    x = 21,887,551,304.21/169,193.88
  6. Step 6: Final answer
    x = 129,363.73

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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.