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Finding the Fourth Proportional to 173,246.76, 259,973.80 and 74,750.76

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Solution

The fourth proportional to 173,246.76, 259,973.80 and 74,750.76 is: 112,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,246.76 : 259,973.80 = 74,750.76 : x
  2. Step 2: Convert to fraction form
    173,246.76/259,973.80 = 74,750.76/x
  3. Step 3: Cross multiply
    173,246.76x = 259,973.80 × 74,750.76
  4. Step 4: Simplify right side
    173,246.76x = 19,433,239,130.09
  5. Step 5: Solve for x
    x = 19,433,239,130.09/173,246.76
  6. Step 6: Final answer
    x = 112,170.87

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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.