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Finding the Fourth Proportional to 114,296.81, 171,456.48 and 39,407.11

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Solution

The fourth proportional to 114,296.81, 171,456.48 and 39,407.11 is: 59,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,296.81 : 171,456.48 = 39,407.11 : x
  2. Step 2: Convert to fraction form
    114,296.81/171,456.48 = 39,407.11/x
  3. Step 3: Cross multiply
    114,296.81x = 171,456.48 × 39,407.11
  4. Step 4: Simplify right side
    114,296.81x = 6,756,603,938.93
  5. Step 5: Solve for x
    x = 6,756,603,938.93/114,296.81
  6. Step 6: Final answer
    x = 59,114.55

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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.