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Finding the Fourth Proportional to 295,689.06, 408,056.13 and 168,376.50

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Solution

The fourth proportional to 295,689.06, 408,056.13 and 168,376.50 is: 232,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,689.06 : 408,056.13 = 168,376.50 : x
  2. Step 2: Convert to fraction form
    295,689.06/408,056.13 = 168,376.50/x
  3. Step 3: Cross multiply
    295,689.06x = 408,056.13 × 168,376.50
  4. Step 4: Simplify right side
    295,689.06x = 68,707,062,972.95
  5. Step 5: Solve for x
    x = 68,707,062,972.95/295,689.06
  6. Step 6: Final answer
    x = 232,362.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.