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Finding the Fourth Proportional to 157,072.44, 216,804.54 and 92,579.19

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Solution

The fourth proportional to 157,072.44, 216,804.54 and 92,579.19 is: 127,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,072.44 : 216,804.54 = 92,579.19 : x
  2. Step 2: Convert to fraction form
    157,072.44/216,804.54 = 92,579.19/x
  3. Step 3: Cross multiply
    157,072.44x = 216,804.54 × 92,579.19
  4. Step 4: Simplify right side
    157,072.44x = 20,071,588,701.52
  5. Step 5: Solve for x
    x = 20,071,588,701.52/157,072.44
  6. Step 6: Final answer
    x = 127,785.55

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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.