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Finding the Fourth Proportional to 65,754,376.20, 92,257,680.60 and 65,754,376.20

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Solution

The fourth proportional to 65,754,376.20, 92,257,680.60 and 65,754,376.20 is: 92,257,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,754,376.20 : 92,257,680.60 = 65,754,376.20 : x
  2. Step 2: Convert to fraction form
    65,754,376.20/92,257,680.60 = 65,754,376.20/x
  3. Step 3: Cross multiply
    65,754,376.20x = 92,257,680.60 × 65,754,376.20
  4. Step 4: Simplify right side
    65,754,376.20x = 6,066,346,237,511,842
  5. Step 5: Solve for x
    x = 6,066,346,237,511,842/65,754,376.20
  6. Step 6: Final answer
    x = 92,257,680.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.