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Finding the Fourth Proportional to 108,808.92, 150,152.94 and 60,409.80

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Solution

The fourth proportional to 108,808.92, 150,152.94 and 60,409.80 is: 83,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,808.92 : 150,152.94 = 60,409.80 : x
  2. Step 2: Convert to fraction form
    108,808.92/150,152.94 = 60,409.80/x
  3. Step 3: Cross multiply
    108,808.92x = 150,152.94 × 60,409.80
  4. Step 4: Simplify right side
    108,808.92x = 9,070,709,074.81
  5. Step 5: Solve for x
    x = 9,070,709,074.81/108,808.92
  6. Step 6: Final answer
    x = 83,363.65

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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.