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Finding the Fourth Proportional to 85,185.60, 127,803.06 and 35,256.48

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Solution

The fourth proportional to 85,185.60, 127,803.06 and 35,256.48 is: 52,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,185.60 : 127,803.06 = 35,256.48 : x
  2. Step 2: Convert to fraction form
    85,185.60/127,803.06 = 35,256.48/x
  3. Step 3: Cross multiply
    85,185.60x = 127,803.06 × 35,256.48
  4. Step 4: Simplify right side
    85,185.60x = 4,505,886,028.83
  5. Step 5: Solve for x
    x = 4,505,886,028.83/85,185.60
  6. Step 6: Final answer
    x = 52,894.93

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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.