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Finding the Fourth Proportional to 169,830.91, 254,726.25 and 57,510.91

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Solution

The fourth proportional to 169,830.91, 254,726.25 and 57,510.91 is: 86,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,830.91 : 254,726.25 = 57,510.91 : x
  2. Step 2: Convert to fraction form
    169,830.91/254,726.25 = 57,510.91/x
  3. Step 3: Cross multiply
    169,830.91x = 254,726.25 × 57,510.91
  4. Step 4: Simplify right side
    169,830.91x = 14,649,538,438.39
  5. Step 5: Solve for x
    x = 14,649,538,438.39/169,830.91
  6. Step 6: Final answer
    x = 86,259.55

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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.