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Finding the Fourth Proportional to 186,165.65, 279,242.53 and 59,805.38

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Solution

The fourth proportional to 186,165.65, 279,242.53 and 59,805.38 is: 89,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,165.65 : 279,242.53 = 59,805.38 : x
  2. Step 2: Convert to fraction form
    186,165.65/279,242.53 = 59,805.38/x
  3. Step 3: Cross multiply
    186,165.65x = 279,242.53 × 59,805.38
  4. Step 4: Simplify right side
    186,165.65x = 16,700,205,618.81
  5. Step 5: Solve for x
    x = 16,700,205,618.81/186,165.65
  6. Step 6: Final answer
    x = 89,706.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.