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Finding the Fourth Proportional to 162,225.28, 223,870.24 and 90,605.28

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Solution

The fourth proportional to 162,225.28, 223,870.24 and 90,605.28 is: 125,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,225.28 : 223,870.24 = 90,605.28 : x
  2. Step 2: Convert to fraction form
    162,225.28/223,870.24 = 90,605.28/x
  3. Step 3: Cross multiply
    162,225.28x = 223,870.24 × 90,605.28
  4. Step 4: Simplify right side
    162,225.28x = 20,283,825,778.87
  5. Step 5: Solve for x
    x = 20,283,825,778.87/162,225.28
  6. Step 6: Final answer
    x = 125,034.93

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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.