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Finding the Fourth Proportional to 230,463.60, 318,284.28 and 187,554.48

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Solution

The fourth proportional to 230,463.60, 318,284.28 and 187,554.48 is: 259,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,463.60 : 318,284.28 = 187,554.48 : x
  2. Step 2: Convert to fraction form
    230,463.60/318,284.28 = 187,554.48/x
  3. Step 3: Cross multiply
    230,463.60x = 318,284.28 × 187,554.48
  4. Step 4: Simplify right side
    230,463.60x = 59,695,642,627.57
  5. Step 5: Solve for x
    x = 59,695,642,627.57/230,463.60
  6. Step 6: Final answer
    x = 259,024.17

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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.