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Finding the Fourth Proportional to 103,563.92, 155,096.74 and 59,055.76

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Solution

The fourth proportional to 103,563.92, 155,096.74 and 59,055.76 is: 88,441.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,563.92 : 155,096.74 = 59,055.76 : x
  2. Step 2: Convert to fraction form
    103,563.92/155,096.74 = 59,055.76/x
  3. Step 3: Cross multiply
    103,563.92x = 155,096.74 × 59,055.76
  4. Step 4: Simplify right side
    103,563.92x = 9,159,355,854.22
  5. Step 5: Solve for x
    x = 9,159,355,854.22/103,563.92
  6. Step 6: Final answer
    x = 88,441.57

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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.