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Finding the Fourth Proportional to 109,925, 151,696.52 and 62,177.32

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Solution

The fourth proportional to 109,925, 151,696.52 and 62,177.32 is: 85,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,925 : 151,696.52 = 62,177.32 : x
  2. Step 2: Convert to fraction form
    109,925/151,696.52 = 62,177.32/x
  3. Step 3: Cross multiply
    109,925x = 151,696.52 × 62,177.32
  4. Step 4: Simplify right side
    109,925x = 9,432,083,066.93
  5. Step 5: Solve for x
    x = 9,432,083,066.93/109,925
  6. Step 6: Final answer
    x = 85,804.71

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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.