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Finding the Fourth Proportional to 113,066.88, 169,652.16 and 57,701.76

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Solution

The fourth proportional to 113,066.88, 169,652.16 and 57,701.76 is: 86,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,066.88 : 169,652.16 = 57,701.76 : x
  2. Step 2: Convert to fraction form
    113,066.88/169,652.16 = 57,701.76/x
  3. Step 3: Cross multiply
    113,066.88x = 169,652.16 × 57,701.76
  4. Step 4: Simplify right side
    113,066.88x = 9,789,228,219.80
  5. Step 5: Solve for x
    x = 9,789,228,219.80/113,066.88
  6. Step 6: Final answer
    x = 86,579.10

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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.