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Finding the Fourth Proportional to 110,859.40, 166,106.70 and 64,030.60

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Solution

The fourth proportional to 110,859.40, 166,106.70 and 64,030.60 is: 95,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,859.40 : 166,106.70 = 64,030.60 : x
  2. Step 2: Convert to fraction form
    110,859.40/166,106.70 = 64,030.60/x
  3. Step 3: Cross multiply
    110,859.40x = 166,106.70 × 64,030.60
  4. Step 4: Simplify right side
    110,859.40x = 10,635,911,665.02
  5. Step 5: Solve for x
    x = 10,635,911,665.02/110,859.40
  6. Step 6: Final answer
    x = 95,940.55

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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.