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Finding the Fourth Proportional to 373,446.12, 560,169.30 and 124,128.12

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Solution

The fourth proportional to 373,446.12, 560,169.30 and 124,128.12 is: 186,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,446.12 : 560,169.30 = 124,128.12 : x
  2. Step 2: Convert to fraction form
    373,446.12/560,169.30 = 124,128.12/x
  3. Step 3: Cross multiply
    373,446.12x = 560,169.30 × 124,128.12
  4. Step 4: Simplify right side
    373,446.12x = 69,532,762,090.72
  5. Step 5: Solve for x
    x = 69,532,762,090.72/373,446.12
  6. Step 6: Final answer
    x = 186,192.22

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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.