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Finding the Fourth Proportional to 162,163.55, 223,783.34 and 90,544.56

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Solution

The fourth proportional to 162,163.55, 223,783.34 and 90,544.56 is: 124,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,163.55 : 223,783.34 = 90,544.56 : x
  2. Step 2: Convert to fraction form
    162,163.55/223,783.34 = 90,544.56/x
  3. Step 3: Cross multiply
    162,163.55x = 223,783.34 × 90,544.56
  4. Step 4: Simplify right side
    162,163.55x = 20,262,363,602.91
  5. Step 5: Solve for x
    x = 20,262,363,602.91/162,163.55
  6. Step 6: Final answer
    x = 124,950.18

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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.