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Finding the Fourth Proportional to 162,112.40, 242,585.40 and 109,624.40

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Solution

The fourth proportional to 162,112.40, 242,585.40 and 109,624.40 is: 164,042.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,112.40 : 242,585.40 = 109,624.40 : x
  2. Step 2: Convert to fraction form
    162,112.40/242,585.40 = 109,624.40/x
  3. Step 3: Cross multiply
    162,112.40x = 242,585.40 × 109,624.40
  4. Step 4: Simplify right side
    162,112.40x = 26,593,278,923.76
  5. Step 5: Solve for x
    x = 26,593,278,923.76/162,112.40
  6. Step 6: Final answer
    x = 164,042.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.