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Finding the Fourth Proportional to 60,094.40, 90,156.36 and 20,652.08

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Solution

The fourth proportional to 60,094.40, 90,156.36 and 20,652.08 is: 30,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,094.40 : 90,156.36 = 20,652.08 : x
  2. Step 2: Convert to fraction form
    60,094.40/90,156.36 = 20,652.08/x
  3. Step 3: Cross multiply
    60,094.40x = 90,156.36 × 20,652.08
  4. Step 4: Simplify right side
    60,094.40x = 1,861,916,359.23
  5. Step 5: Solve for x
    x = 1,861,916,359.23/60,094.40
  6. Step 6: Final answer
    x = 30,983.19

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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.