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Finding the Fourth Proportional to 330,875.65, 496,071.54 and 106,108.15

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Solution

The fourth proportional to 330,875.65, 496,071.54 and 106,108.15 is: 159,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,875.65 : 496,071.54 = 106,108.15 : x
  2. Step 2: Convert to fraction form
    330,875.65/496,071.54 = 106,108.15/x
  3. Step 3: Cross multiply
    330,875.65x = 496,071.54 × 106,108.15
  4. Step 4: Simplify right side
    330,875.65x = 52,637,233,377.05
  5. Step 5: Solve for x
    x = 52,637,233,377.05/330,875.65
  6. Step 6: Final answer
    x = 159,084.64

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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.