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Finding the Fourth Proportional to 79,227,130.20, 110,993,565 and 79,227,130.20

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Solution

The fourth proportional to 79,227,130.20, 110,993,565 and 79,227,130.20 is: 110,993,565

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,227,130.20 : 110,993,565 = 79,227,130.20 : x
  2. Step 2: Convert to fraction form
    79,227,130.20/110,993,565 = 79,227,130.20/x
  3. Step 3: Cross multiply
    79,227,130.20x = 110,993,565 × 79,227,130.20
  4. Step 4: Simplify right side
    79,227,130.20x = 8,793,701,625,617,163
  5. Step 5: Solve for x
    x = 8,793,701,625,617,163/79,227,130.20
  6. Step 6: Final answer
    x = 110,993,565

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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.