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Finding the Fourth Proportional to 238,363.22, 328,860.95 and 134,983.28

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Solution

The fourth proportional to 238,363.22, 328,860.95 and 134,983.28 is: 186,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,363.22 : 328,860.95 = 134,983.28 : x
  2. Step 2: Convert to fraction form
    238,363.22/328,860.95 = 134,983.28/x
  3. Step 3: Cross multiply
    238,363.22x = 328,860.95 × 134,983.28
  4. Step 4: Simplify right side
    238,363.22x = 44,390,729,842.15
  5. Step 5: Solve for x
    x = 44,390,729,842.15/238,363.22
  6. Step 6: Final answer
    x = 186,231.46

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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.