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Finding the Fourth Proportional to 89,851.92, 134,812.80 and 37,248

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Solution

The fourth proportional to 89,851.92, 134,812.80 and 37,248 is: 55,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,851.92 : 134,812.80 = 37,248 : x
  2. Step 2: Convert to fraction form
    89,851.92/134,812.80 = 37,248/x
  3. Step 3: Cross multiply
    89,851.92x = 134,812.80 × 37,248
  4. Step 4: Simplify right side
    89,851.92x = 5,021,507,174.40
  5. Step 5: Solve for x
    x = 5,021,507,174.40/89,851.92
  6. Step 6: Final answer
    x = 55,886.48

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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.