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Finding the Fourth Proportional to 219,568.86, 329,287.95 and 93,207.24

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Solution

The fourth proportional to 219,568.86, 329,287.95 and 93,207.24 is: 139,783.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,568.86 : 329,287.95 = 93,207.24 : x
  2. Step 2: Convert to fraction form
    219,568.86/329,287.95 = 93,207.24/x
  3. Step 3: Cross multiply
    219,568.86x = 329,287.95 × 93,207.24
  4. Step 4: Simplify right side
    219,568.86x = 30,692,020,984.76
  5. Step 5: Solve for x
    x = 30,692,020,984.76/219,568.86
  6. Step 6: Final answer
    x = 139,783.12

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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.