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Finding the Fourth Proportional to 88,992,014.80, 124,947,138.80 and 88,992,014.80

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Solution

The fourth proportional to 88,992,014.80, 124,947,138.80 and 88,992,014.80 is: 124,947,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,992,014.80 : 124,947,138.80 = 88,992,014.80 : x
  2. Step 2: Convert to fraction form
    88,992,014.80/124,947,138.80 = 88,992,014.80/x
  3. Step 3: Cross multiply
    88,992,014.80x = 124,947,138.80 × 88,992,014.80
  4. Step 4: Simplify right side
    88,992,014.80x = 11,119,297,625,307,254
  5. Step 5: Solve for x
    x = 11,119,297,625,307,254/88,992,014.80
  6. Step 6: Final answer
    x = 124,947,138.80

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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.