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Finding the Fourth Proportional to 92,644.64, 127,802.63 and 58,595.78

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Solution

The fourth proportional to 92,644.64, 127,802.63 and 58,595.78 is: 80,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,644.64 : 127,802.63 = 58,595.78 : x
  2. Step 2: Convert to fraction form
    92,644.64/127,802.63 = 58,595.78/x
  3. Step 3: Cross multiply
    92,644.64x = 127,802.63 × 58,595.78
  4. Step 4: Simplify right side
    92,644.64x = 7,488,695,256.90
  5. Step 5: Solve for x
    x = 7,488,695,256.90/92,644.64
  6. Step 6: Final answer
    x = 80,832.48

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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.