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Finding the Fourth Proportional to 113,197.16, 169,873.74 and 46,637.39

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Solution

The fourth proportional to 113,197.16, 169,873.74 and 46,637.39 is: 69,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,197.16 : 169,873.74 = 46,637.39 : x
  2. Step 2: Convert to fraction form
    113,197.16/169,873.74 = 46,637.39/x
  3. Step 3: Cross multiply
    113,197.16x = 169,873.74 × 46,637.39
  4. Step 4: Simplify right side
    113,197.16x = 7,922,467,863.14
  5. Step 5: Solve for x
    x = 7,922,467,863.14/113,197.16
  6. Step 6: Final answer
    x = 69,988.22

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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.