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Finding the Fourth Proportional to 84,470.60, 126,710.11 and 25,300.63

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Solution

The fourth proportional to 84,470.60, 126,710.11 and 25,300.63 is: 37,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,470.60 : 126,710.11 = 25,300.63 : x
  2. Step 2: Convert to fraction form
    84,470.60/126,710.11 = 25,300.63/x
  3. Step 3: Cross multiply
    84,470.60x = 126,710.11 × 25,300.63
  4. Step 4: Simplify right side
    84,470.60x = 3,205,845,230.34
  5. Step 5: Solve for x
    x = 3,205,845,230.34/84,470.60
  6. Step 6: Final answer
    x = 37,952.20

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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.