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Finding the Fourth Proportional to 186,499.73, 257,369.67 and 101,616.80

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Solution

The fourth proportional to 186,499.73, 257,369.67 and 101,616.80 is: 140,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,499.73 : 257,369.67 = 101,616.80 : x
  2. Step 2: Convert to fraction form
    186,499.73/257,369.67 = 101,616.80/x
  3. Step 3: Cross multiply
    186,499.73x = 257,369.67 × 101,616.80
  4. Step 4: Simplify right side
    186,499.73x = 26,153,080,995.61
  5. Step 5: Solve for x
    x = 26,153,080,995.61/186,499.73
  6. Step 6: Final answer
    x = 140,231.20

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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.