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Finding the Fourth Proportional to 114,572.15, 171,817.22 and 39,672.19

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Solution

The fourth proportional to 114,572.15, 171,817.22 and 39,672.19 is: 59,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,572.15 : 171,817.22 = 39,672.19 : x
  2. Step 2: Convert to fraction form
    114,572.15/171,817.22 = 39,672.19/x
  3. Step 3: Cross multiply
    114,572.15x = 171,817.22 × 39,672.19
  4. Step 4: Simplify right side
    114,572.15x = 6,816,365,066.75
  5. Step 5: Solve for x
    x = 6,816,365,066.75/114,572.15
  6. Step 6: Final answer
    x = 59,494.08

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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.