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Finding the Fourth Proportional to 155,618.22, 214,764.03 and 88,550.22

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Solution

The fourth proportional to 155,618.22, 214,764.03 and 88,550.22 is: 122,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,618.22 : 214,764.03 = 88,550.22 : x
  2. Step 2: Convert to fraction form
    155,618.22/214,764.03 = 88,550.22/x
  3. Step 3: Cross multiply
    155,618.22x = 214,764.03 × 88,550.22
  4. Step 4: Simplify right side
    155,618.22x = 19,017,402,104.59
  5. Step 5: Solve for x
    x = 19,017,402,104.59/155,618.22
  6. Step 6: Final answer
    x = 122,205.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.