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Finding the Fourth Proportional to 87,323.58, 130,875.76 and 37,344.89

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Solution

The fourth proportional to 87,323.58, 130,875.76 and 37,344.89 is: 55,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,323.58 : 130,875.76 = 37,344.89 : x
  2. Step 2: Convert to fraction form
    87,323.58/130,875.76 = 37,344.89/x
  3. Step 3: Cross multiply
    87,323.58x = 130,875.76 × 37,344.89
  4. Step 4: Simplify right side
    87,323.58x = 4,887,540,860.87
  5. Step 5: Solve for x
    x = 4,887,540,860.87/87,323.58
  6. Step 6: Final answer
    x = 55,970.46

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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.