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Finding the Fourth Proportional to 114,155.96, 157,499.52 and 68,847.80

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Solution

The fourth proportional to 114,155.96, 157,499.52 and 68,847.80 is: 94,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,155.96 : 157,499.52 = 68,847.80 : x
  2. Step 2: Convert to fraction form
    114,155.96/157,499.52 = 68,847.80/x
  3. Step 3: Cross multiply
    114,155.96x = 157,499.52 × 68,847.80
  4. Step 4: Simplify right side
    114,155.96x = 10,843,495,453.06
  5. Step 5: Solve for x
    x = 10,843,495,453.06/114,155.96
  6. Step 6: Final answer
    x = 94,988.43

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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.