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Finding the Fourth Proportional to 183,395.32, 275,093.92 and 83,485.64

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Solution

The fourth proportional to 183,395.32, 275,093.92 and 83,485.64 is: 125,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,395.32 : 275,093.92 = 83,485.64 : x
  2. Step 2: Convert to fraction form
    183,395.32/275,093.92 = 83,485.64/x
  3. Step 3: Cross multiply
    183,395.32x = 275,093.92 × 83,485.64
  4. Step 4: Simplify right side
    183,395.32x = 22,966,391,971.31
  5. Step 5: Solve for x
    x = 22,966,391,971.31/183,395.32
  6. Step 6: Final answer
    x = 125,228.89

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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.