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Finding the Fourth Proportional to 105,543.56, 158,373.66 and 58,822.76

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Solution

The fourth proportional to 105,543.56, 158,373.66 and 58,822.76 is: 88,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,543.56 : 158,373.66 = 58,822.76 : x
  2. Step 2: Convert to fraction form
    105,543.56/158,373.66 = 58,822.76/x
  3. Step 3: Cross multiply
    105,543.56x = 158,373.66 × 58,822.76
  4. Step 4: Simplify right side
    105,543.56x = 9,315,975,792.50
  5. Step 5: Solve for x
    x = 9,315,975,792.50/105,543.56
  6. Step 6: Final answer
    x = 88,266.64

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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.