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Finding the Fourth Proportional to 266,465.72, 367,723.65 and 145,607.00

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Solution

The fourth proportional to 266,465.72, 367,723.65 and 145,607.00 is: 200,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,465.72 : 367,723.65 = 145,607.00 : x
  2. Step 2: Convert to fraction form
    266,465.72/367,723.65 = 145,607.00/x
  3. Step 3: Cross multiply
    266,465.72x = 367,723.65 × 145,607.00
  4. Step 4: Simplify right side
    266,465.72x = 53,543,135,666.93
  5. Step 5: Solve for x
    x = 53,543,135,666.93/266,465.72
  6. Step 6: Final answer
    x = 200,938.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.