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Finding the Fourth Proportional to 108,986.58, 150,474.87 and 97,465.75

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Solution

The fourth proportional to 108,986.58, 150,474.87 and 97,465.75 is: 134,568.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,986.58 : 150,474.87 = 97,465.75 : x
  2. Step 2: Convert to fraction form
    108,986.58/150,474.87 = 97,465.75/x
  3. Step 3: Cross multiply
    108,986.58x = 150,474.87 × 97,465.75
  4. Step 4: Simplify right side
    108,986.58x = 14,666,145,666.79
  5. Step 5: Solve for x
    x = 14,666,145,666.79/108,986.58
  6. Step 6: Final answer
    x = 134,568.36

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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.