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Finding the Fourth Proportional to 65,674,870.80, 98,512,306.20 and 41,488,400.40

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Solution

The fourth proportional to 65,674,870.80, 98,512,306.20 and 41,488,400.40 is: 62,232,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,674,870.80 : 98,512,306.20 = 41,488,400.40 : x
  2. Step 2: Convert to fraction form
    65,674,870.80/98,512,306.20 = 41,488,400.40/x
  3. Step 3: Cross multiply
    65,674,870.80x = 98,512,306.20 × 41,488,400.40
  4. Step 4: Simplify right side
    65,674,870.80x = 4,087,118,003,953,002.50
  5. Step 5: Solve for x
    x = 4,087,118,003,953,002.50/65,674,870.80
  6. Step 6: Final answer
    x = 62,232,600.60

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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.