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Finding the Fourth Proportional to 174,731.91, 240,630.91 and 157,356.33

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Solution

The fourth proportional to 174,731.91, 240,630.91 and 157,356.33 is: 216,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,731.91 : 240,630.91 = 157,356.33 : x
  2. Step 2: Convert to fraction form
    174,731.91/240,630.91 = 157,356.33/x
  3. Step 3: Cross multiply
    174,731.91x = 240,630.91 × 157,356.33
  4. Step 4: Simplify right side
    174,731.91x = 37,864,796,882.16
  5. Step 5: Solve for x
    x = 37,864,796,882.16/174,731.91
  6. Step 6: Final answer
    x = 216,702.24

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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.