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Finding the Fourth Proportional to 98,333,876.80, 147,500,815.20 and 93,295,028.80

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Solution

The fourth proportional to 98,333,876.80, 147,500,815.20 and 93,295,028.80 is: 139,942,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,333,876.80 : 147,500,815.20 = 93,295,028.80 : x
  2. Step 2: Convert to fraction form
    98,333,876.80/147,500,815.20 = 93,295,028.80/x
  3. Step 3: Cross multiply
    98,333,876.80x = 147,500,815.20 × 93,295,028.80
  4. Step 4: Simplify right side
    98,333,876.80x = 13,761,092,802,107,476
  5. Step 5: Solve for x
    x = 13,761,092,802,107,476/98,333,876.80
  6. Step 6: Final answer
    x = 139,942,543.20

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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.