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Finding the Fourth Proportional to 186,594.84, 257,508.72 and 101,716.56

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Solution

The fourth proportional to 186,594.84, 257,508.72 and 101,716.56 is: 140,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,594.84 : 257,508.72 = 101,716.56 : x
  2. Step 2: Convert to fraction form
    186,594.84/257,508.72 = 101,716.56/x
  3. Step 3: Cross multiply
    186,594.84x = 257,508.72 × 101,716.56
  4. Step 4: Simplify right side
    186,594.84x = 26,192,901,168.40
  5. Step 5: Solve for x
    x = 26,192,901,168.40/186,594.84
  6. Step 6: Final answer
    x = 140,373.13

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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.