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Finding the Fourth Proportional to 65,470.60, 98,060.10 and 56,722.60

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Solution

The fourth proportional to 65,470.60, 98,060.10 and 56,722.60 is: 84,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,470.60 : 98,060.10 = 56,722.60 : x
  2. Step 2: Convert to fraction form
    65,470.60/98,060.10 = 56,722.60/x
  3. Step 3: Cross multiply
    65,470.60x = 98,060.10 × 56,722.60
  4. Step 4: Simplify right side
    65,470.60x = 5,562,223,828.26
  5. Step 5: Solve for x
    x = 5,562,223,828.26/65,470.60
  6. Step 6: Final answer
    x = 84,957.58

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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.