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Finding the Fourth Proportional to 150,547.92, 207,696.86 and 86,873.41

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Solution

The fourth proportional to 150,547.92, 207,696.86 and 86,873.41 is: 119,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,547.92 : 207,696.86 = 86,873.41 : x
  2. Step 2: Convert to fraction form
    150,547.92/207,696.86 = 86,873.41/x
  3. Step 3: Cross multiply
    150,547.92x = 207,696.86 × 86,873.41
  4. Step 4: Simplify right side
    150,547.92x = 18,043,334,040.13
  5. Step 5: Solve for x
    x = 18,043,334,040.13/150,547.92
  6. Step 6: Final answer
    x = 119,851.11

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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.