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Finding the Fourth Proportional to 162,225.92, 223,869.44 and 90,606.98

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Solution

The fourth proportional to 162,225.92, 223,869.44 and 90,606.98 is: 125,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,225.92 : 223,869.44 = 90,606.98 : x
  2. Step 2: Convert to fraction form
    162,225.92/223,869.44 = 90,606.98/x
  3. Step 3: Cross multiply
    162,225.92x = 223,869.44 × 90,606.98
  4. Step 4: Simplify right side
    162,225.92x = 20,284,133,872.69
  5. Step 5: Solve for x
    x = 20,284,133,872.69/162,225.92
  6. Step 6: Final answer
    x = 125,036.33

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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.