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Finding the Fourth Proportional to 186,559.56, 257,444.68 and 101,674.80

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Solution

The fourth proportional to 186,559.56, 257,444.68 and 101,674.80 is: 140,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,559.56 : 257,444.68 = 101,674.80 : x
  2. Step 2: Convert to fraction form
    186,559.56/257,444.68 = 101,674.80/x
  3. Step 3: Cross multiply
    186,559.56x = 257,444.68 × 101,674.80
  4. Step 4: Simplify right side
    186,559.56x = 26,175,636,350.06
  5. Step 5: Solve for x
    x = 26,175,636,350.06/186,559.56
  6. Step 6: Final answer
    x = 140,307.13

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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.