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Finding the Fourth Proportional to 134,410.76, 201,548.08 and 75,230.54

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Solution

The fourth proportional to 134,410.76, 201,548.08 and 75,230.54 is: 112,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,410.76 : 201,548.08 = 75,230.54 : x
  2. Step 2: Convert to fraction form
    134,410.76/201,548.08 = 75,230.54/x
  3. Step 3: Cross multiply
    134,410.76x = 201,548.08 × 75,230.54
  4. Step 4: Simplify right side
    134,410.76x = 15,162,570,894.36
  5. Step 5: Solve for x
    x = 15,162,570,894.36/134,410.76
  6. Step 6: Final answer
    x = 112,807.72

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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.