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Finding the Fourth Proportional to 110,709.40, 166,064.10 and 44,159.80

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Solution

The fourth proportional to 110,709.40, 166,064.10 and 44,159.80 is: 66,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,709.40 : 166,064.10 = 44,159.80 : x
  2. Step 2: Convert to fraction form
    110,709.40/166,064.10 = 44,159.80/x
  3. Step 3: Cross multiply
    110,709.40x = 166,064.10 × 44,159.80
  4. Step 4: Simplify right side
    110,709.40x = 7,333,357,443.18
  5. Step 5: Solve for x
    x = 7,333,357,443.18/110,709.40
  6. Step 6: Final answer
    x = 66,239.70

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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.