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Finding the Fourth Proportional to 113,881.58, 170,926.54 and 57,760.44

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Solution

The fourth proportional to 113,881.58, 170,926.54 and 57,760.44 is: 86,693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,881.58 : 170,926.54 = 57,760.44 : x
  2. Step 2: Convert to fraction form
    113,881.58/170,926.54 = 57,760.44/x
  3. Step 3: Cross multiply
    113,881.58x = 170,926.54 × 57,760.44
  4. Step 4: Simplify right side
    113,881.58x = 9,872,792,158.08
  5. Step 5: Solve for x
    x = 9,872,792,158.08/113,881.58
  6. Step 6: Final answer
    x = 86,693.49

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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.