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Finding the Fourth Proportional to 238,457.21, 357,685.90 and 88,677.95

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Solution

The fourth proportional to 238,457.21, 357,685.90 and 88,677.95 is: 133,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,457.21 : 357,685.90 = 88,677.95 : x
  2. Step 2: Convert to fraction form
    238,457.21/357,685.90 = 88,677.95/x
  3. Step 3: Cross multiply
    238,457.21x = 357,685.90 × 88,677.95
  4. Step 4: Simplify right side
    238,457.21x = 31,718,852,355.91
  5. Step 5: Solve for x
    x = 31,718,852,355.91/238,457.21
  6. Step 6: Final answer
    x = 133,016.96

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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.