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Finding the Fourth Proportional to 158,398.77, 237,633.62 and 53,214.87

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Solution

The fourth proportional to 158,398.77, 237,633.62 and 53,214.87 is: 79,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,398.77 : 237,633.62 = 53,214.87 : x
  2. Step 2: Convert to fraction form
    158,398.77/237,633.62 = 53,214.87/x
  3. Step 3: Cross multiply
    158,398.77x = 237,633.62 × 53,214.87
  4. Step 4: Simplify right side
    158,398.77x = 12,645,642,195.93
  5. Step 5: Solve for x
    x = 12,645,642,195.93/158,398.77
  6. Step 6: Final answer
    x = 79,834.22

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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.