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Finding the Fourth Proportional to 158,803.71, 238,204.15 and 70,057.29

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Solution

The fourth proportional to 158,803.71, 238,204.15 and 70,057.29 is: 105,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,803.71 : 238,204.15 = 70,057.29 : x
  2. Step 2: Convert to fraction form
    158,803.71/238,204.15 = 70,057.29/x
  3. Step 3: Cross multiply
    158,803.71x = 238,204.15 × 70,057.29
  4. Step 4: Simplify right side
    158,803.71x = 16,687,937,215.75
  5. Step 5: Solve for x
    x = 16,687,937,215.75/158,803.71
  6. Step 6: Final answer
    x = 105,085.31

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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.