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Finding the Fourth Proportional to 186,559.04, 257,443.98 and 101,674.28

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Solution

The fourth proportional to 186,559.04, 257,443.98 and 101,674.28 is: 140,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,559.04 : 257,443.98 = 101,674.28 : x
  2. Step 2: Convert to fraction form
    186,559.04/257,443.98 = 101,674.28/x
  3. Step 3: Cross multiply
    186,559.04x = 257,443.98 × 101,674.28
  4. Step 4: Simplify right side
    186,559.04x = 26,175,431,306.83
  5. Step 5: Solve for x
    x = 26,175,431,306.83/186,559.04
  6. Step 6: Final answer
    x = 140,306.42

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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.