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Finding the Fourth Proportional to 86,113.41, 118,837.14 and 47,351.91

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Solution

The fourth proportional to 86,113.41, 118,837.14 and 47,351.91 is: 65,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,113.41 : 118,837.14 = 47,351.91 : x
  2. Step 2: Convert to fraction form
    86,113.41/118,837.14 = 47,351.91/x
  3. Step 3: Cross multiply
    86,113.41x = 118,837.14 × 47,351.91
  4. Step 4: Simplify right side
    86,113.41x = 5,627,165,474.81
  5. Step 5: Solve for x
    x = 5,627,165,474.81/86,113.41
  6. Step 6: Final answer
    x = 65,345.98

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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.