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Finding the Fourth Proportional to 108,411.09, 149,600.07 and 60,009.74

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Solution

The fourth proportional to 108,411.09, 149,600.07 and 60,009.74 is: 82,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,411.09 : 149,600.07 = 60,009.74 : x
  2. Step 2: Convert to fraction form
    108,411.09/149,600.07 = 60,009.74/x
  3. Step 3: Cross multiply
    108,411.09x = 149,600.07 × 60,009.74
  4. Step 4: Simplify right side
    108,411.09x = 8,977,461,286.46
  5. Step 5: Solve for x
    x = 8,977,461,286.46/108,411.09
  6. Step 6: Final answer
    x = 82,809.44

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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.