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Finding the Fourth Proportional to 292,982.84, 439,328.85 and 93,277.22

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Solution

The fourth proportional to 292,982.84, 439,328.85 and 93,277.22 is: 139,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,982.84 : 439,328.85 = 93,277.22 : x
  2. Step 2: Convert to fraction form
    292,982.84/439,328.85 = 93,277.22/x
  3. Step 3: Cross multiply
    292,982.84x = 439,328.85 × 93,277.22
  4. Step 4: Simplify right side
    292,982.84x = 40,979,373,793.80
  5. Step 5: Solve for x
    x = 40,979,373,793.80/292,982.84
  6. Step 6: Final answer
    x = 139,869.54

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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.