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Finding the Fourth Proportional to 162,426.66, 224,153.73 and 90,809.70

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Solution

The fourth proportional to 162,426.66, 224,153.73 and 90,809.70 is: 125,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,426.66 : 224,153.73 = 90,809.70 : x
  2. Step 2: Convert to fraction form
    162,426.66/224,153.73 = 90,809.70/x
  3. Step 3: Cross multiply
    162,426.66x = 224,153.73 × 90,809.70
  4. Step 4: Simplify right side
    162,426.66x = 20,355,332,975.18
  5. Step 5: Solve for x
    x = 20,355,332,975.18/162,426.66
  6. Step 6: Final answer
    x = 125,320.15

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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.