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Finding the Fourth Proportional to 247,491.63, 371,283.62 and 112,565.48

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Solution

The fourth proportional to 247,491.63, 371,283.62 and 112,565.48 is: 168,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,491.63 : 371,283.62 = 112,565.48 : x
  2. Step 2: Convert to fraction form
    247,491.63/371,283.62 = 112,565.48/x
  3. Step 3: Cross multiply
    247,491.63x = 371,283.62 × 112,565.48
  4. Step 4: Simplify right side
    247,491.63x = 41,793,716,482.19
  5. Step 5: Solve for x
    x = 41,793,716,482.19/247,491.63
  6. Step 6: Final answer
    x = 168,869.21

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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.