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Finding the Fourth Proportional to 169,432,431.40, 254,148,647.10 and 169,432,431.40

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Solution

The fourth proportional to 169,432,431.40, 254,148,647.10 and 169,432,431.40 is: 254,148,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,432,431.40 : 254,148,647.10 = 169,432,431.40 : x
  2. Step 2: Convert to fraction form
    169,432,431.40/254,148,647.10 = 169,432,431.40/x
  3. Step 3: Cross multiply
    169,432,431.40x = 254,148,647.10 × 169,432,431.40
  4. Step 4: Simplify right side
    169,432,431.40x = 43,061,023,215,173,560
  5. Step 5: Solve for x
    x = 43,061,023,215,173,560/169,432,431.40
  6. Step 6: Final answer
    x = 254,148,647.10

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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.