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Finding the Fourth Proportional to 210,530.03, 315,797.55 and 58,717.88

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Solution

The fourth proportional to 210,530.03, 315,797.55 and 58,717.88 is: 88,077.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,530.03 : 315,797.55 = 58,717.88 : x
  2. Step 2: Convert to fraction form
    210,530.03/315,797.55 = 58,717.88/x
  3. Step 3: Cross multiply
    210,530.03x = 315,797.55 × 58,717.88
  4. Step 4: Simplify right side
    210,530.03x = 18,542,962,645.19
  5. Step 5: Solve for x
    x = 18,542,962,645.19/210,530.03
  6. Step 6: Final answer
    x = 88,077.52

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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.