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Finding the Fourth Proportional to 230,699.48, 318,244.02 and 187,727.36

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Solution

The fourth proportional to 230,699.48, 318,244.02 and 187,727.36 is: 258,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,699.48 : 318,244.02 = 187,727.36 : x
  2. Step 2: Convert to fraction form
    230,699.48/318,244.02 = 187,727.36/x
  3. Step 3: Cross multiply
    230,699.48x = 318,244.02 × 187,727.36
  4. Step 4: Simplify right side
    230,699.48x = 59,743,109,710.39
  5. Step 5: Solve for x
    x = 59,743,109,710.39/230,699.48
  6. Step 6: Final answer
    x = 258,965.08

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1.5x scale

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.