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Finding the Fourth Proportional to 162,415.54, 224,135.04 and 90,799.48

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Solution

The fourth proportional to 162,415.54, 224,135.04 and 90,799.48 is: 125,304.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,415.54 : 224,135.04 = 90,799.48 : x
  2. Step 2: Convert to fraction form
    162,415.54/224,135.04 = 90,799.48/x
  3. Step 3: Cross multiply
    162,415.54x = 224,135.04 × 90,799.48
  4. Step 4: Simplify right side
    162,415.54x = 20,351,345,081.78
  5. Step 5: Solve for x
    x = 20,351,345,081.78/162,415.54
  6. Step 6: Final answer
    x = 125,304.17

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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.