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Finding the Fourth Proportional to 162,289.93, 223,955.97 and 90,670.48

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Solution

The fourth proportional to 162,289.93, 223,955.97 and 90,670.48 is: 125,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,289.93 : 223,955.97 = 90,670.48 : x
  2. Step 2: Convert to fraction form
    162,289.93/223,955.97 = 90,670.48/x
  3. Step 3: Cross multiply
    162,289.93x = 223,955.97 × 90,670.48
  4. Step 4: Simplify right side
    162,289.93x = 20,306,195,238.70
  5. Step 5: Solve for x
    x = 20,306,195,238.70/162,289.93
  6. Step 6: Final answer
    x = 125,122.95

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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.