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Finding the Fourth Proportional to 70,744.50, 106,070.85 and 37,480.23

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Solution

The fourth proportional to 70,744.50, 106,070.85 and 37,480.23 is: 56,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,744.50 : 106,070.85 = 37,480.23 : x
  2. Step 2: Convert to fraction form
    70,744.50/106,070.85 = 37,480.23/x
  3. Step 3: Cross multiply
    70,744.50x = 106,070.85 × 37,480.23
  4. Step 4: Simplify right side
    70,744.50x = 3,975,559,854.30
  5. Step 5: Solve for x
    x = 3,975,559,854.30/70,744.50
  6. Step 6: Final answer
    x = 56,196.03

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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.