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Finding the Fourth Proportional to 293,655.72, 440,515.60 and 93,929.16

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Solution

The fourth proportional to 293,655.72, 440,515.60 and 93,929.16 is: 140,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,655.72 : 440,515.60 = 93,929.16 : x
  2. Step 2: Convert to fraction form
    293,655.72/440,515.60 = 93,929.16/x
  3. Step 3: Cross multiply
    293,655.72x = 440,515.60 × 93,929.16
  4. Step 4: Simplify right side
    293,655.72x = 41,377,260,274.90
  5. Step 5: Solve for x
    x = 41,377,260,274.90/293,655.72
  6. Step 6: Final answer
    x = 140,903.98

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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.