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Finding the Fourth Proportional to 108,812.62, 163,226.43 and 45,569.07

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Solution

The fourth proportional to 108,812.62, 163,226.43 and 45,569.07 is: 68,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,812.62 : 163,226.43 = 45,569.07 : x
  2. Step 2: Convert to fraction form
    108,812.62/163,226.43 = 45,569.07/x
  3. Step 3: Cross multiply
    108,812.62x = 163,226.43 × 45,569.07
  4. Step 4: Simplify right side
    108,812.62x = 7,438,076,614.52
  5. Step 5: Solve for x
    x = 7,438,076,614.52/108,812.62
  6. Step 6: Final answer
    x = 68,356.75

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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.