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Finding the Fourth Proportional to 73,287.51, 101,143.92 and 52,886.44

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Solution

The fourth proportional to 73,287.51, 101,143.92 and 52,886.44 is: 72,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,287.51 : 101,143.92 = 52,886.44 : x
  2. Step 2: Convert to fraction form
    73,287.51/101,143.92 = 52,886.44/x
  3. Step 3: Cross multiply
    73,287.51x = 101,143.92 × 52,886.44
  4. Step 4: Simplify right side
    73,287.51x = 5,349,141,856.44
  5. Step 5: Solve for x
    x = 5,349,141,856.44/73,287.51
  6. Step 6: Final answer
    x = 72,988.45

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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.