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Finding the Fourth Proportional to 145,242.01, 217,873.88 and 40,060

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Solution

The fourth proportional to 145,242.01, 217,873.88 and 40,060 is: 60,093.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,242.01 : 217,873.88 = 40,060 : x
  2. Step 2: Convert to fraction form
    145,242.01/217,873.88 = 40,060/x
  3. Step 3: Cross multiply
    145,242.01x = 217,873.88 × 40,060
  4. Step 4: Simplify right side
    145,242.01x = 8,728,027,632.80
  5. Step 5: Solve for x
    x = 8,728,027,632.80/145,242.01
  6. Step 6: Final answer
    x = 60,093.00

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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.