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Finding the Fourth Proportional to 186,711.52, 257,659.30 and 101,828.56

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Solution

The fourth proportional to 186,711.52, 257,659.30 and 101,828.56 is: 140,522.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,711.52 : 257,659.30 = 101,828.56 : x
  2. Step 2: Convert to fraction form
    186,711.52/257,659.30 = 101,828.56/x
  3. Step 3: Cross multiply
    186,711.52x = 257,659.30 × 101,828.56
  4. Step 4: Simplify right side
    186,711.52x = 26,237,075,489.61
  5. Step 5: Solve for x
    x = 26,237,075,489.61/186,711.52
  6. Step 6: Final answer
    x = 140,522.00

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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.