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Finding the Fourth Proportional to 122,862.40, 184,220.70 and 63,813.40

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Solution

The fourth proportional to 122,862.40, 184,220.70 and 63,813.40 is: 95,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,862.40 : 184,220.70 = 63,813.40 : x
  2. Step 2: Convert to fraction form
    122,862.40/184,220.70 = 63,813.40/x
  3. Step 3: Cross multiply
    122,862.40x = 184,220.70 × 63,813.40
  4. Step 4: Simplify right side
    122,862.40x = 11,755,749,217.38
  5. Step 5: Solve for x
    x = 11,755,749,217.38/122,862.40
  6. Step 6: Final answer
    x = 95,682.24

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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.