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Finding the Fourth Proportional to 248,368.89, 372,562.40 and 88,456.60

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Solution

The fourth proportional to 248,368.89, 372,562.40 and 88,456.60 is: 132,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,368.89 : 372,562.40 = 88,456.60 : x
  2. Step 2: Convert to fraction form
    248,368.89/372,562.40 = 88,456.60/x
  3. Step 3: Cross multiply
    248,368.89x = 372,562.40 × 88,456.60
  4. Step 4: Simplify right side
    248,368.89x = 32,955,603,191.84
  5. Step 5: Solve for x
    x = 32,955,603,191.84/248,368.89
  6. Step 6: Final answer
    x = 132,688.13

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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.