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Finding the Fourth Proportional to 124,768.76, 187,133.04 and 34,813.80

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Solution

The fourth proportional to 124,768.76, 187,133.04 and 34,813.80 is: 52,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,768.76 : 187,133.04 = 34,813.80 : x
  2. Step 2: Convert to fraction form
    124,768.76/187,133.04 = 34,813.80/x
  3. Step 3: Cross multiply
    124,768.76x = 187,133.04 × 34,813.80
  4. Step 4: Simplify right side
    124,768.76x = 6,514,812,227.95
  5. Step 5: Solve for x
    x = 6,514,812,227.95/124,768.76
  6. Step 6: Final answer
    x = 52,215.09

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1.5x scale

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.