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Finding the Fourth Proportional to 295,089.80, 442,659.08 and 124,360.90

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Solution

The fourth proportional to 295,089.80, 442,659.08 and 124,360.90 is: 186,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,089.80 : 442,659.08 = 124,360.90 : x
  2. Step 2: Convert to fraction form
    295,089.80/442,659.08 = 124,360.90/x
  3. Step 3: Cross multiply
    295,089.80x = 442,659.08 × 124,360.90
  4. Step 4: Simplify right side
    295,089.80x = 55,049,480,786.23
  5. Step 5: Solve for x
    x = 55,049,480,786.23/295,089.80
  6. Step 6: Final answer
    x = 186,551.63

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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.