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Finding the Fourth Proportional to 243,125.50, 335,111.63 and 162,523.61

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Solution

The fourth proportional to 243,125.50, 335,111.63 and 162,523.61 is: 224,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,125.50 : 335,111.63 = 162,523.61 : x
  2. Step 2: Convert to fraction form
    243,125.50/335,111.63 = 162,523.61/x
  3. Step 3: Cross multiply
    243,125.50x = 335,111.63 × 162,523.61
  4. Step 4: Simplify right side
    243,125.50x = 54,463,553,428.27
  5. Step 5: Solve for x
    x = 54,463,553,428.27/243,125.50
  6. Step 6: Final answer
    x = 224,014.16

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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.