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Finding the Fourth Proportional to 101,587.51, 152,391.28 and 35,018.87

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Solution

The fourth proportional to 101,587.51, 152,391.28 and 35,018.87 is: 52,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,587.51 : 152,391.28 = 35,018.87 : x
  2. Step 2: Convert to fraction form
    101,587.51/152,391.28 = 35,018.87/x
  3. Step 3: Cross multiply
    101,587.51x = 152,391.28 × 35,018.87
  4. Step 4: Simplify right side
    101,587.51x = 5,336,570,248.36
  5. Step 5: Solve for x
    x = 5,336,570,248.36/101,587.51
  6. Step 6: Final answer
    x = 52,531.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.