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Finding the Fourth Proportional to 92,479.93, 127,608.62 and 56,162.49

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Solution

The fourth proportional to 92,479.93, 127,608.62 and 56,162.49 is: 77,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,479.93 : 127,608.62 = 56,162.49 : x
  2. Step 2: Convert to fraction form
    92,479.93/127,608.62 = 56,162.49/x
  3. Step 3: Cross multiply
    92,479.93x = 127,608.62 × 56,162.49
  4. Step 4: Simplify right side
    92,479.93x = 7,166,817,844.66
  5. Step 5: Solve for x
    x = 7,166,817,844.66/92,479.93
  6. Step 6: Final answer
    x = 77,495.93

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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.