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Finding the Fourth Proportional to 169,179.61, 233,457.75 and 93,722.65

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Solution

The fourth proportional to 169,179.61, 233,457.75 and 93,722.65 is: 129,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,179.61 : 233,457.75 = 93,722.65 : x
  2. Step 2: Convert to fraction form
    169,179.61/233,457.75 = 93,722.65/x
  3. Step 3: Cross multiply
    169,179.61x = 233,457.75 × 93,722.65
  4. Step 4: Simplify right side
    169,179.61x = 21,880,278,524.42
  5. Step 5: Solve for x
    x = 21,880,278,524.42/169,179.61
  6. Step 6: Final answer
    x = 129,331.65

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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.