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Finding the Fourth Proportional to 153,167.68, 211,338.96 and 92,726.56

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Solution

The fourth proportional to 153,167.68, 211,338.96 and 92,726.56 is: 127,943.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,167.68 : 211,338.96 = 92,726.56 : x
  2. Step 2: Convert to fraction form
    153,167.68/211,338.96 = 92,726.56/x
  3. Step 3: Cross multiply
    153,167.68x = 211,338.96 × 92,726.56
  4. Step 4: Simplify right side
    153,167.68x = 19,596,734,754.78
  5. Step 5: Solve for x
    x = 19,596,734,754.78/153,167.68
  6. Step 6: Final answer
    x = 127,943.01

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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.