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Finding the Fourth Proportional to 180,854.83, 271,284.54 and 124,679.91

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Solution

The fourth proportional to 180,854.83, 271,284.54 and 124,679.91 is: 187,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,854.83 : 271,284.54 = 124,679.91 : x
  2. Step 2: Convert to fraction form
    180,854.83/271,284.54 = 124,679.91/x
  3. Step 3: Cross multiply
    180,854.83x = 271,284.54 × 124,679.91
  4. Step 4: Simplify right side
    180,854.83x = 33,823,731,756.71
  5. Step 5: Solve for x
    x = 33,823,731,756.71/180,854.83
  6. Step 6: Final answer
    x = 187,021.45

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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.