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Finding the Fourth Proportional to 157,326.97, 235,986.13 and 38,995.69

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Solution

The fourth proportional to 157,326.97, 235,986.13 and 38,995.69 is: 58,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,326.97 : 235,986.13 = 38,995.69 : x
  2. Step 2: Convert to fraction form
    157,326.97/235,986.13 = 38,995.69/x
  3. Step 3: Cross multiply
    157,326.97x = 235,986.13 × 38,995.69
  4. Step 4: Simplify right side
    157,326.97x = 9,202,441,969.78
  5. Step 5: Solve for x
    x = 9,202,441,969.78/157,326.97
  6. Step 6: Final answer
    x = 58,492.46

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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.