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Finding the Fourth Proportional to 162,417.05, 224,142.48 and 90,797.05

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Solution

The fourth proportional to 162,417.05, 224,142.48 and 90,797.05 is: 125,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,417.05 : 224,142.48 = 90,797.05 : x
  2. Step 2: Convert to fraction form
    162,417.05/224,142.48 = 90,797.05/x
  3. Step 3: Cross multiply
    162,417.05x = 224,142.48 × 90,797.05
  4. Step 4: Simplify right side
    162,417.05x = 20,351,474,388.99
  5. Step 5: Solve for x
    x = 20,351,474,388.99/162,417.05
  6. Step 6: Final answer
    x = 125,303.81

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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.