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Finding the Fourth Proportional to 218,592,994.80, 327,926,233.80 and 65,254,551.60

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Solution

The fourth proportional to 218,592,994.80, 327,926,233.80 and 65,254,551.60 is: 97,892,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,592,994.80 : 327,926,233.80 = 65,254,551.60 : x
  2. Step 2: Convert to fraction form
    218,592,994.80/327,926,233.80 = 65,254,551.60/x
  3. Step 3: Cross multiply
    218,592,994.80x = 327,926,233.80 × 65,254,551.60
  4. Step 4: Simplify right side
    218,592,994.80x = 21,398,679,344,495,764
  5. Step 5: Solve for x
    x = 21,398,679,344,495,764/218,592,994.80
  6. Step 6: Final answer
    x = 97,892,795.53

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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.