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Finding the Fourth Proportional to 87,325.84, 130,988.76 and 37,373.56

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Solution

The fourth proportional to 87,325.84, 130,988.76 and 37,373.56 is: 56,060.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,325.84 : 130,988.76 = 37,373.56 : x
  2. Step 2: Convert to fraction form
    87,325.84/130,988.76 = 37,373.56/x
  3. Step 3: Cross multiply
    87,325.84x = 130,988.76 × 37,373.56
  4. Step 4: Simplify right side
    87,325.84x = 4,895,516,281.19
  5. Step 5: Solve for x
    x = 4,895,516,281.19/87,325.84
  6. Step 6: Final answer
    x = 56,060.34

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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.