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Finding the Fourth Proportional to 238,490.40, 357,731.92 and 60,995.84

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Solution

The fourth proportional to 238,490.40, 357,731.92 and 60,995.84 is: 91,492.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,490.40 : 357,731.92 = 60,995.84 : x
  2. Step 2: Convert to fraction form
    238,490.40/357,731.92 = 60,995.84/x
  3. Step 3: Cross multiply
    238,490.40x = 357,731.92 × 60,995.84
  4. Step 4: Simplify right side
    238,490.40x = 21,820,158,955.21
  5. Step 5: Solve for x
    x = 21,820,158,955.21/238,490.40
  6. Step 6: Final answer
    x = 91,492.82

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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.