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Finding the Fourth Proportional to 65,194,843.20, 97,756,835.40 and 26,860,232.40

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Solution

The fourth proportional to 65,194,843.20, 97,756,835.40 and 26,860,232.40 is: 40,275,751.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,194,843.20 : 97,756,835.40 = 26,860,232.40 : x
  2. Step 2: Convert to fraction form
    65,194,843.20/97,756,835.40 = 26,860,232.40/x
  3. Step 3: Cross multiply
    65,194,843.20x = 97,756,835.40 × 26,860,232.40
  4. Step 4: Simplify right side
    65,194,843.20x = 2,625,771,317,532,547
  5. Step 5: Solve for x
    x = 2,625,771,317,532,547/65,194,843.20
  6. Step 6: Final answer
    x = 40,275,751.71

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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.