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Finding the Fourth Proportional to 168,683.84, 253,017.12 and 50,356.16

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Solution

The fourth proportional to 168,683.84, 253,017.12 and 50,356.16 is: 75,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,683.84 : 253,017.12 = 50,356.16 : x
  2. Step 2: Convert to fraction form
    168,683.84/253,017.12 = 50,356.16/x
  3. Step 3: Cross multiply
    168,683.84x = 253,017.12 × 50,356.16
  4. Step 4: Simplify right side
    168,683.84x = 12,740,970,577.46
  5. Step 5: Solve for x
    x = 12,740,970,577.46/168,683.84
  6. Step 6: Final answer
    x = 75,531.66

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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.