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Finding the Fourth Proportional to 310,616.95, 465,835.32 and 121,035.04

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Solution

The fourth proportional to 310,616.95, 465,835.32 and 121,035.04 is: 181,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,616.95 : 465,835.32 = 121,035.04 : x
  2. Step 2: Convert to fraction form
    310,616.95/465,835.32 = 121,035.04/x
  3. Step 3: Cross multiply
    310,616.95x = 465,835.32 × 121,035.04
  4. Step 4: Simplify right side
    310,616.95x = 56,382,396,589.61
  5. Step 5: Solve for x
    x = 56,382,396,589.61/310,616.95
  6. Step 6: Final answer
    x = 181,517.45

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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.