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Finding the Fourth Proportional to 170,161,978.04, 255,248,217.18 and 66,527,046.44

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Solution

The fourth proportional to 170,161,978.04, 255,248,217.18 and 66,527,046.44 is: 99,792,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,161,978.04 : 255,248,217.18 = 66,527,046.44 : x
  2. Step 2: Convert to fraction form
    170,161,978.04/255,248,217.18 = 66,527,046.44/x
  3. Step 3: Cross multiply
    170,161,978.04x = 255,248,217.18 × 66,527,046.44
  4. Step 4: Simplify right side
    170,161,978.04x = 16,980,909,998,061,066
  5. Step 5: Solve for x
    x = 16,980,909,998,061,066/170,161,978.04
  6. Step 6: Final answer
    x = 99,792,622.26

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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.