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Finding the Fourth Proportional to 84,396.75, 116,462.80 and 46,148.70

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Solution

The fourth proportional to 84,396.75, 116,462.80 and 46,148.70 is: 63,682.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,396.75 : 116,462.80 = 46,148.70 : x
  2. Step 2: Convert to fraction form
    84,396.75/116,462.80 = 46,148.70/x
  3. Step 3: Cross multiply
    84,396.75x = 116,462.80 × 46,148.70
  4. Step 4: Simplify right side
    84,396.75x = 5,374,606,818.36
  5. Step 5: Solve for x
    x = 5,374,606,818.36/84,396.75
  6. Step 6: Final answer
    x = 63,682.63

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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.