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Finding the Fourth Proportional to 113,789,080.80, 170,431,678.80 and 93,633,688.80

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Solution

The fourth proportional to 113,789,080.80, 170,431,678.80 and 93,633,688.80 is: 140,243,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789,080.80 : 170,431,678.80 = 93,633,688.80 : x
  2. Step 2: Convert to fraction form
    113,789,080.80/170,431,678.80 = 93,633,688.80/x
  3. Step 3: Cross multiply
    113,789,080.80x = 170,431,678.80 × 93,633,688.80
  4. Step 4: Simplify right side
    113,789,080.80x = 15,958,146,774,420,758
  5. Step 5: Solve for x
    x = 15,958,146,774,420,758/113,789,080.80
  6. Step 6: Final answer
    x = 140,243,217.21

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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.