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Finding the Fourth Proportional to 243,125.69, 335,111.89 and 162,523.80

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Solution

The fourth proportional to 243,125.69, 335,111.89 and 162,523.80 is: 224,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,125.69 : 335,111.89 = 162,523.80 : x
  2. Step 2: Convert to fraction form
    243,125.69/335,111.89 = 162,523.80/x
  3. Step 3: Cross multiply
    243,125.69x = 335,111.89 × 162,523.80
  4. Step 4: Simplify right side
    243,125.69x = 54,463,658,314.74
  5. Step 5: Solve for x
    x = 54,463,658,314.74/243,125.69
  6. Step 6: Final answer
    x = 224,014.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.