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Finding the Fourth Proportional to 173,083.76, 238,877.52 and 100,471.16

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Solution

The fourth proportional to 173,083.76, 238,877.52 and 100,471.16 is: 138,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,083.76 : 238,877.52 = 100,471.16 : x
  2. Step 2: Convert to fraction form
    173,083.76/238,877.52 = 100,471.16/x
  3. Step 3: Cross multiply
    173,083.76x = 238,877.52 × 100,471.16
  4. Step 4: Simplify right side
    173,083.76x = 24,000,301,532.32
  5. Step 5: Solve for x
    x = 24,000,301,532.32/173,083.76
  6. Step 6: Final answer
    x = 138,662.93

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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.