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Finding the Fourth Proportional to 110,737.70, 166,106.55 and 66,341.60

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Solution

The fourth proportional to 110,737.70, 166,106.55 and 66,341.60 is: 99,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,737.70 : 166,106.55 = 66,341.60 : x
  2. Step 2: Convert to fraction form
    110,737.70/166,106.55 = 66,341.60/x
  3. Step 3: Cross multiply
    110,737.70x = 166,106.55 × 66,341.60
  4. Step 4: Simplify right side
    110,737.70x = 11,019,774,297.48
  5. Step 5: Solve for x
    x = 11,019,774,297.48/110,737.70
  6. Step 6: Final answer
    x = 99,512.40

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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.