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Finding the Fourth Proportional to 110,957.94, 166,478.94 and 66,615.66

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Solution

The fourth proportional to 110,957.94, 166,478.94 and 66,615.66 is: 99,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,957.94 : 166,478.94 = 66,615.66 : x
  2. Step 2: Convert to fraction form
    110,957.94/166,478.94 = 66,615.66/x
  3. Step 3: Cross multiply
    110,957.94x = 166,478.94 × 66,615.66
  4. Step 4: Simplify right side
    110,957.94x = 11,090,104,464.20
  5. Step 5: Solve for x
    x = 11,090,104,464.20/110,957.94
  6. Step 6: Final answer
    x = 99,948.72

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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.