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Finding the Fourth Proportional to 173,036.34, 238,761.51 and 115,583.54

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Solution

The fourth proportional to 173,036.34, 238,761.51 and 115,583.54 is: 159,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,036.34 : 238,761.51 = 115,583.54 : x
  2. Step 2: Convert to fraction form
    173,036.34/238,761.51 = 115,583.54/x
  3. Step 3: Cross multiply
    173,036.34x = 238,761.51 × 115,583.54
  4. Step 4: Simplify right side
    173,036.34x = 27,596,899,347.74
  5. Step 5: Solve for x
    x = 27,596,899,347.74/173,036.34
  6. Step 6: Final answer
    x = 159,486.15

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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.