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Finding the Fourth Proportional to 70,425.66, 105,567.39 and 44,148.84

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Solution

The fourth proportional to 70,425.66, 105,567.39 and 44,148.84 is: 66,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,425.66 : 105,567.39 = 44,148.84 : x
  2. Step 2: Convert to fraction form
    70,425.66/105,567.39 = 44,148.84/x
  3. Step 3: Cross multiply
    70,425.66x = 105,567.39 × 44,148.84
  4. Step 4: Simplify right side
    70,425.66x = 4,660,677,810.33
  5. Step 5: Solve for x
    x = 4,660,677,810.33/70,425.66
  6. Step 6: Final answer
    x = 66,178.69

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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.