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Finding the Fourth Proportional to 79,182,001.90, 111,005,968.10 and 79,182,001.90

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Solution

The fourth proportional to 79,182,001.90, 111,005,968.10 and 79,182,001.90 is: 111,005,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,182,001.90 : 111,005,968.10 = 79,182,001.90 : x
  2. Step 2: Convert to fraction form
    79,182,001.90/111,005,968.10 = 79,182,001.90/x
  3. Step 3: Cross multiply
    79,182,001.90x = 111,005,968.10 × 79,182,001.90
  4. Step 4: Simplify right side
    79,182,001.90x = 8,789,674,777,005,540
  5. Step 5: Solve for x
    x = 8,789,674,777,005,540/79,182,001.90
  6. Step 6: Final answer
    x = 111,005,968.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.