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Finding the Fourth Proportional to 65,714,439.60, 98,382,702.60 and 63,824,871.60

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Solution

The fourth proportional to 65,714,439.60, 98,382,702.60 and 63,824,871.60 is: 95,553,783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,714,439.60 : 98,382,702.60 = 63,824,871.60 : x
  2. Step 2: Convert to fraction form
    65,714,439.60/98,382,702.60 = 63,824,871.60/x
  3. Step 3: Cross multiply
    65,714,439.60x = 98,382,702.60 × 63,824,871.60
  4. Step 4: Simplify right side
    65,714,439.60x = 6,279,263,361,105,986
  5. Step 5: Solve for x
    x = 6,279,263,361,105,986/65,714,439.60
  6. Step 6: Final answer
    x = 95,553,783.91

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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.