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Finding the Fourth Proportional to 145,474,200.79, 218,211,301.18 and 145,474,200.79

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Solution

The fourth proportional to 145,474,200.79, 218,211,301.18 and 145,474,200.79 is: 218,211,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,474,200.79 : 218,211,301.18 = 145,474,200.79 : x
  2. Step 2: Convert to fraction form
    145,474,200.79/218,211,301.18 = 145,474,200.79/x
  3. Step 3: Cross multiply
    145,474,200.79x = 218,211,301.18 × 145,474,200.79
  4. Step 4: Simplify right side
    145,474,200.79x = 31,744,114,642,142,796
  5. Step 5: Solve for x
    x = 31,744,114,642,142,796/145,474,200.79
  6. Step 6: Final answer
    x = 218,211,301.18

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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.