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Finding the Fourth Proportional to 153,268,644.80, 229,902,967.20 and 153,268,644.80

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Solution

The fourth proportional to 153,268,644.80, 229,902,967.20 and 153,268,644.80 is: 229,902,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,268,644.80 : 229,902,967.20 = 153,268,644.80 : x
  2. Step 2: Convert to fraction form
    153,268,644.80/229,902,967.20 = 153,268,644.80/x
  3. Step 3: Cross multiply
    153,268,644.80x = 229,902,967.20 × 153,268,644.80
  4. Step 4: Simplify right side
    153,268,644.80x = 35,236,916,218,242,852
  5. Step 5: Solve for x
    x = 35,236,916,218,242,852/153,268,644.80
  6. Step 6: Final answer
    x = 229,902,967.20

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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.