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Finding the Fourth Proportional to 155,662.74, 214,815.57 and 88,594.74

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Solution

The fourth proportional to 155,662.74, 214,815.57 and 88,594.74 is: 122,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,662.74 : 214,815.57 = 88,594.74 : x
  2. Step 2: Convert to fraction form
    155,662.74/214,815.57 = 88,594.74/x
  3. Step 3: Cross multiply
    155,662.74x = 214,815.57 × 88,594.74
  4. Step 4: Simplify right side
    155,662.74x = 19,031,529,572.10
  5. Step 5: Solve for x
    x = 19,031,529,572.10/155,662.74
  6. Step 6: Final answer
    x = 122,261.30

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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.