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Finding the Fourth Proportional to 60,041.72, 90,062.46 and 56,388.06

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Solution

The fourth proportional to 60,041.72, 90,062.46 and 56,388.06 is: 84,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,041.72 : 90,062.46 = 56,388.06 : x
  2. Step 2: Convert to fraction form
    60,041.72/90,062.46 = 56,388.06/x
  3. Step 3: Cross multiply
    60,041.72x = 90,062.46 × 56,388.06
  4. Step 4: Simplify right side
    60,041.72x = 5,078,447,398.23
  5. Step 5: Solve for x
    x = 5,078,447,398.23/60,041.72
  6. Step 6: Final answer
    x = 84,581.98

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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.