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Finding the Fourth Proportional to 105,626.13, 158,228.13 and 63,483.45

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Solution

The fourth proportional to 105,626.13, 158,228.13 and 63,483.45 is: 95,098.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,626.13 : 158,228.13 = 63,483.45 : x
  2. Step 2: Convert to fraction form
    105,626.13/158,228.13 = 63,483.45/x
  3. Step 3: Cross multiply
    105,626.13x = 158,228.13 × 63,483.45
  4. Step 4: Simplify right side
    105,626.13x = 10,044,867,224.16
  5. Step 5: Solve for x
    x = 10,044,867,224.16/105,626.13
  6. Step 6: Final answer
    x = 95,098.32

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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.