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Finding the Fourth Proportional to 282,610.61, 423,915.91 and 132,740.97

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Solution

The fourth proportional to 282,610.61, 423,915.91 and 132,740.97 is: 199,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,610.61 : 423,915.91 = 132,740.97 : x
  2. Step 2: Convert to fraction form
    282,610.61/423,915.91 = 132,740.97/x
  3. Step 3: Cross multiply
    282,610.61x = 423,915.91 × 132,740.97
  4. Step 4: Simplify right side
    282,610.61x = 56,271,009,091.83
  5. Step 5: Solve for x
    x = 56,271,009,091.83/282,610.61
  6. Step 6: Final answer
    x = 199,111.45

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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.