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Finding the Fourth Proportional to 233,371.92, 349,979.88 and 91,180.32

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Solution

The fourth proportional to 233,371.92, 349,979.88 and 91,180.32 is: 136,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,371.92 : 349,979.88 = 91,180.32 : x
  2. Step 2: Convert to fraction form
    233,371.92/349,979.88 = 91,180.32/x
  3. Step 3: Cross multiply
    233,371.92x = 349,979.88 × 91,180.32
  4. Step 4: Simplify right side
    233,371.92x = 31,911,276,481.46
  5. Step 5: Solve for x
    x = 31,911,276,481.46/233,371.92
  6. Step 6: Final answer
    x = 136,740.00

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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.