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Finding the Fourth Proportional to 169,776.11, 254,505.88 and 57,377.74

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Solution

The fourth proportional to 169,776.11, 254,505.88 and 57,377.74 is: 86,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,776.11 : 254,505.88 = 57,377.74 : x
  2. Step 2: Convert to fraction form
    169,776.11/254,505.88 = 57,377.74/x
  3. Step 3: Cross multiply
    169,776.11x = 254,505.88 × 57,377.74
  4. Step 4: Simplify right side
    169,776.11x = 14,602,972,211.11
  5. Step 5: Solve for x
    x = 14,602,972,211.11/169,776.11
  6. Step 6: Final answer
    x = 86,013.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.