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Finding the Fourth Proportional to 73,328.57, 101,193.42 and 39,794.57

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Solution

The fourth proportional to 73,328.57, 101,193.42 and 39,794.57 is: 54,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,328.57 : 101,193.42 = 39,794.57 : x
  2. Step 2: Convert to fraction form
    73,328.57/101,193.42 = 39,794.57/x
  3. Step 3: Cross multiply
    73,328.57x = 101,193.42 × 39,794.57
  4. Step 4: Simplify right side
    73,328.57x = 4,026,948,129.76
  5. Step 5: Solve for x
    x = 4,026,948,129.76/73,328.57
  6. Step 6: Final answer
    x = 54,916.50

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1.5x scale

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.