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Finding the Fourth Proportional to 243,539.52, 335,682.96 and 162,938.16

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Solution

The fourth proportional to 243,539.52, 335,682.96 and 162,938.16 is: 224,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,539.52 : 335,682.96 = 162,938.16 : x
  2. Step 2: Convert to fraction form
    243,539.52/335,682.96 = 162,938.16/x
  3. Step 3: Cross multiply
    243,539.52x = 335,682.96 × 162,938.16
  4. Step 4: Simplify right side
    243,539.52x = 54,695,563,845.75
  5. Step 5: Solve for x
    x = 54,695,563,845.75/243,539.52
  6. Step 6: Final answer
    x = 224,585.99

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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.