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Finding the Fourth Proportional to 114,556.80, 171,878.40 and 55,444.80

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Solution

The fourth proportional to 114,556.80, 171,878.40 and 55,444.80 is: 83,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,556.80 : 171,878.40 = 55,444.80 : x
  2. Step 2: Convert to fraction form
    114,556.80/171,878.40 = 55,444.80/x
  3. Step 3: Cross multiply
    114,556.80x = 171,878.40 × 55,444.80
  4. Step 4: Simplify right side
    114,556.80x = 9,529,763,512.32
  5. Step 5: Solve for x
    x = 9,529,763,512.32/114,556.80
  6. Step 6: Final answer
    x = 83,188.11

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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.