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Finding the Fourth Proportional to 79,395,701.60, 111,380,730.40 and 79,395,701.60

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Solution

The fourth proportional to 79,395,701.60, 111,380,730.40 and 79,395,701.60 is: 111,380,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,395,701.60 : 111,380,730.40 = 79,395,701.60 : x
  2. Step 2: Convert to fraction form
    79,395,701.60/111,380,730.40 = 79,395,701.60/x
  3. Step 3: Cross multiply
    79,395,701.60x = 111,380,730.40 × 79,395,701.60
  4. Step 4: Simplify right side
    79,395,701.60x = 8,843,151,234,828,448
  5. Step 5: Solve for x
    x = 8,843,151,234,828,448/79,395,701.60
  6. Step 6: Final answer
    x = 111,380,730.40

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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.