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Finding the Fourth Proportional to 368,166.66, 552,185.18 and 98,298.15

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Solution

The fourth proportional to 368,166.66, 552,185.18 and 98,298.15 is: 147,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,166.66 : 552,185.18 = 98,298.15 : x
  2. Step 2: Convert to fraction form
    368,166.66/552,185.18 = 98,298.15/x
  3. Step 3: Cross multiply
    368,166.66x = 552,185.18 × 98,298.15
  4. Step 4: Simplify right side
    368,166.66x = 54,278,778,890.49
  5. Step 5: Solve for x
    x = 54,278,778,890.49/368,166.66
  6. Step 6: Final answer
    x = 147,429.92

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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.