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Finding the Fourth Proportional to 185,060.64, 277,590.96 and 91,472.16

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Solution

The fourth proportional to 185,060.64, 277,590.96 and 91,472.16 is: 137,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,060.64 : 277,590.96 = 91,472.16 : x
  2. Step 2: Convert to fraction form
    185,060.64/277,590.96 = 91,472.16/x
  3. Step 3: Cross multiply
    185,060.64x = 277,590.96 × 91,472.16
  4. Step 4: Simplify right side
    185,060.64x = 25,391,844,707.67
  5. Step 5: Solve for x
    x = 25,391,844,707.67/185,060.64
  6. Step 6: Final answer
    x = 137,208.24

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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.