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Finding the Fourth Proportional to 64,679,827.20, 97,019,740.80 and 44,272,492.80

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Solution

The fourth proportional to 64,679,827.20, 97,019,740.80 and 44,272,492.80 is: 66,408,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,679,827.20 : 97,019,740.80 = 44,272,492.80 : x
  2. Step 2: Convert to fraction form
    64,679,827.20/97,019,740.80 = 44,272,492.80/x
  3. Step 3: Cross multiply
    64,679,827.20x = 97,019,740.80 × 44,272,492.80
  4. Step 4: Simplify right side
    64,679,827.20x = 4,295,305,776,025,866
  5. Step 5: Solve for x
    x = 4,295,305,776,025,866/64,679,827.20
  6. Step 6: Final answer
    x = 66,408,739.20

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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.