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Finding the Fourth Proportional to 158,713.68, 238,064.04 and 65,217

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Solution

The fourth proportional to 158,713.68, 238,064.04 and 65,217 is: 97,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,713.68 : 238,064.04 = 65,217 : x
  2. Step 2: Convert to fraction form
    158,713.68/238,064.04 = 65,217/x
  3. Step 3: Cross multiply
    158,713.68x = 238,064.04 × 65,217
  4. Step 4: Simplify right side
    158,713.68x = 15,525,822,496.68
  5. Step 5: Solve for x
    x = 15,525,822,496.68/158,713.68
  6. Step 6: Final answer
    x = 97,822.84

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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.