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Finding the Fourth Proportional to 101,869.37, 152,803.91 and 38,689.37

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Solution

The fourth proportional to 101,869.37, 152,803.91 and 38,689.37 is: 58,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,869.37 : 152,803.91 = 38,689.37 : x
  2. Step 2: Convert to fraction form
    101,869.37/152,803.91 = 38,689.37/x
  3. Step 3: Cross multiply
    101,869.37x = 152,803.91 × 38,689.37
  4. Step 4: Simplify right side
    101,869.37x = 5,911,886,344.14
  5. Step 5: Solve for x
    x = 5,911,886,344.14/101,869.37
  6. Step 6: Final answer
    x = 58,034.00

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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.