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Finding the Fourth Proportional to 148,614,754.80, 222,496,979.40 and 148,614,754.80

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Solution

The fourth proportional to 148,614,754.80, 222,496,979.40 and 148,614,754.80 is: 222,496,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,614,754.80 : 222,496,979.40 = 148,614,754.80 : x
  2. Step 2: Convert to fraction form
    148,614,754.80/222,496,979.40 = 148,614,754.80/x
  3. Step 3: Cross multiply
    148,614,754.80x = 222,496,979.40 × 148,614,754.80
  4. Step 4: Simplify right side
    148,614,754.80x = 33,066,334,037,271,656
  5. Step 5: Solve for x
    x = 33,066,334,037,271,656/148,614,754.80
  6. Step 6: Final answer
    x = 222,496,979.40

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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.