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Finding the Fourth Proportional to 97,166.92, 145,772.70 and 50,409.40

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Solution

The fourth proportional to 97,166.92, 145,772.70 and 50,409.40 is: 75,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,166.92 : 145,772.70 = 50,409.40 : x
  2. Step 2: Convert to fraction form
    97,166.92/145,772.70 = 50,409.40/x
  3. Step 3: Cross multiply
    97,166.92x = 145,772.70 × 50,409.40
  4. Step 4: Simplify right side
    97,166.92x = 7,348,314,343.38
  5. Step 5: Solve for x
    x = 7,348,314,343.38/97,166.92
  6. Step 6: Final answer
    x = 75,625.68

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1.5x scale

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.