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Finding the Fourth Proportional to 88,973,500.80, 133,460,251.20 and 69,863,203.20

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Solution

The fourth proportional to 88,973,500.80, 133,460,251.20 and 69,863,203.20 is: 104,794,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,973,500.80 : 133,460,251.20 = 69,863,203.20 : x
  2. Step 2: Convert to fraction form
    88,973,500.80/133,460,251.20 = 69,863,203.20/x
  3. Step 3: Cross multiply
    88,973,500.80x = 133,460,251.20 × 69,863,203.20
  4. Step 4: Simplify right side
    88,973,500.80x = 9,323,960,648,708,644
  5. Step 5: Solve for x
    x = 9,323,960,648,708,644/88,973,500.80
  6. Step 6: Final answer
    x = 104,794,804.80

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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.