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Finding the Fourth Proportional to 250,021.08, 374,973.30 and 72,480.42

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Solution

The fourth proportional to 250,021.08, 374,973.30 and 72,480.42 is: 108,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,021.08 : 374,973.30 = 72,480.42 : x
  2. Step 2: Convert to fraction form
    250,021.08/374,973.30 = 72,480.42/x
  3. Step 3: Cross multiply
    250,021.08x = 374,973.30 × 72,480.42
  4. Step 4: Simplify right side
    250,021.08x = 27,178,222,272.79
  5. Step 5: Solve for x
    x = 27,178,222,272.79/250,021.08
  6. Step 6: Final answer
    x = 108,703.72

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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.