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Finding the Fourth Proportional to 175,044.40, 262,566.60 and 86,340.40

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Solution

The fourth proportional to 175,044.40, 262,566.60 and 86,340.40 is: 129,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,044.40 : 262,566.60 = 86,340.40 : x
  2. Step 2: Convert to fraction form
    175,044.40/262,566.60 = 86,340.40/x
  3. Step 3: Cross multiply
    175,044.40x = 262,566.60 × 86,340.40
  4. Step 4: Simplify right side
    175,044.40x = 22,670,105,270.64
  5. Step 5: Solve for x
    x = 22,670,105,270.64/175,044.40
  6. Step 6: Final answer
    x = 129,510.60

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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.