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Finding the Fourth Proportional to 62,166.51, 85,764.11 and 43,314.57

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Solution

The fourth proportional to 62,166.51, 85,764.11 and 43,314.57 is: 59,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,166.51 : 85,764.11 = 43,314.57 : x
  2. Step 2: Convert to fraction form
    62,166.51/85,764.11 = 43,314.57/x
  3. Step 3: Cross multiply
    62,166.51x = 85,764.11 × 43,314.57
  4. Step 4: Simplify right side
    62,166.51x = 3,714,835,329.51
  5. Step 5: Solve for x
    x = 3,714,835,329.51/62,166.51
  6. Step 6: Final answer
    x = 59,756.21

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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.