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Finding the Fourth Proportional to 65,954,281.20, 98,931,421.80 and 48,735,592.80

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Solution

The fourth proportional to 65,954,281.20, 98,931,421.80 and 48,735,592.80 is: 73,103,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,954,281.20 : 98,931,421.80 = 48,735,592.80 : x
  2. Step 2: Convert to fraction form
    65,954,281.20/98,931,421.80 = 48,735,592.80/x
  3. Step 3: Cross multiply
    65,954,281.20x = 98,931,421.80 × 48,735,592.80
  4. Step 4: Simplify right side
    65,954,281.20x = 4,821,481,487,969,843
  5. Step 5: Solve for x
    x = 4,821,481,487,969,843/65,954,281.20
  6. Step 6: Final answer
    x = 73,103,389.20

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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.