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Finding the Fourth Proportional to 162,036.40, 223,604.40 and 101,639.56

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Solution

The fourth proportional to 162,036.40, 223,604.40 and 101,639.56 is: 140,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,036.40 : 223,604.40 = 101,639.56 : x
  2. Step 2: Convert to fraction form
    162,036.40/223,604.40 = 101,639.56/x
  3. Step 3: Cross multiply
    162,036.40x = 223,604.40 × 101,639.56
  4. Step 4: Simplify right side
    162,036.40x = 22,727,052,830.06
  5. Step 5: Solve for x
    x = 22,727,052,830.06/162,036.40
  6. Step 6: Final answer
    x = 140,258.93

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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.