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Finding the Fourth Proportional to 145,662.13, 218,493.26 and 40,482.01

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Solution

The fourth proportional to 145,662.13, 218,493.26 and 40,482.01 is: 60,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,662.13 : 218,493.26 = 40,482.01 : x
  2. Step 2: Convert to fraction form
    145,662.13/218,493.26 = 40,482.01/x
  3. Step 3: Cross multiply
    145,662.13x = 218,493.26 × 40,482.01
  4. Step 4: Simplify right side
    145,662.13x = 8,845,045,041.38
  5. Step 5: Solve for x
    x = 8,845,045,041.38/145,662.13
  6. Step 6: Final answer
    x = 60,723.03

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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.