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Finding the Fourth Proportional to 117,777.08, 176,257.37 and 112,878.20

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Solution

The fourth proportional to 117,777.08, 176,257.37 and 112,878.20 is: 168,926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,777.08 : 176,257.37 = 112,878.20 : x
  2. Step 2: Convert to fraction form
    117,777.08/176,257.37 = 112,878.20/x
  3. Step 3: Cross multiply
    117,777.08x = 176,257.37 × 112,878.20
  4. Step 4: Simplify right side
    117,777.08x = 19,895,615,385.17
  5. Step 5: Solve for x
    x = 19,895,615,385.17/117,777.08
  6. Step 6: Final answer
    x = 168,926.03

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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.