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Finding the Fourth Proportional to 88,080,212.70, 132,120,319.05 and 88,080,212.70

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Solution

The fourth proportional to 88,080,212.70, 132,120,319.05 and 88,080,212.70 is: 132,120,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,080,212.70 : 132,120,319.05 = 88,080,212.70 : x
  2. Step 2: Convert to fraction form
    88,080,212.70/132,120,319.05 = 88,080,212.70/x
  3. Step 3: Cross multiply
    88,080,212.70x = 132,120,319.05 × 88,080,212.70
  4. Step 4: Simplify right side
    88,080,212.70x = 11,637,185,803,915,862
  5. Step 5: Solve for x
    x = 11,637,185,803,915,862/88,080,212.70
  6. Step 6: Final answer
    x = 132,120,319.05

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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.