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Finding the Fourth Proportional to 137,417.44, 207,062.18 and 113,004.32

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Solution

The fourth proportional to 137,417.44, 207,062.18 and 113,004.32 is: 170,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,417.44 : 207,062.18 = 113,004.32 : x
  2. Step 2: Convert to fraction form
    137,417.44/207,062.18 = 113,004.32/x
  3. Step 3: Cross multiply
    137,417.44x = 207,062.18 × 113,004.32
  4. Step 4: Simplify right side
    137,417.44x = 23,398,920,848.62
  5. Step 5: Solve for x
    x = 23,398,920,848.62/137,417.44
  6. Step 6: Final answer
    x = 170,276.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.