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Finding the Fourth Proportional to 295,126.38, 442,642.39 and 105,551.35

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Solution

The fourth proportional to 295,126.38, 442,642.39 and 105,551.35 is: 158,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,126.38 : 442,642.39 = 105,551.35 : x
  2. Step 2: Convert to fraction form
    295,126.38/442,642.39 = 105,551.35/x
  3. Step 3: Cross multiply
    295,126.38x = 442,642.39 × 105,551.35
  4. Step 4: Simplify right side
    295,126.38x = 46,721,500,461.24
  5. Step 5: Solve for x
    x = 46,721,500,461.24/295,126.38
  6. Step 6: Final answer
    x = 158,310.15

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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.