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Finding the Fourth Proportional to 186,770.88, 257,373.90 and 132,904.98

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Solution

The fourth proportional to 186,770.88, 257,373.90 and 132,904.98 is: 183,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,770.88 : 257,373.90 = 132,904.98 : x
  2. Step 2: Convert to fraction form
    186,770.88/257,373.90 = 132,904.98/x
  3. Step 3: Cross multiply
    186,770.88x = 257,373.90 × 132,904.98
  4. Step 4: Simplify right side
    186,770.88x = 34,206,273,032.02
  5. Step 5: Solve for x
    x = 34,206,273,032.02/186,770.88
  6. Step 6: Final answer
    x = 183,145.64

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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.