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Finding the Fourth Proportional to 368,166.16, 552,184.43 and 98,297.65

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Solution

The fourth proportional to 368,166.16, 552,184.43 and 98,297.65 is: 147,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,166.16 : 552,184.43 = 98,297.65 : x
  2. Step 2: Convert to fraction form
    368,166.16/552,184.43 = 98,297.65/x
  3. Step 3: Cross multiply
    368,166.16x = 552,184.43 × 98,297.65
  4. Step 4: Simplify right side
    368,166.16x = 54,278,429,074.67
  5. Step 5: Solve for x
    x = 54,278,429,074.67/368,166.16
  6. Step 6: Final answer
    x = 147,429.17

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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.