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Finding the Fourth Proportional to 162,353.88, 224,055.28 and 90,733.90

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Solution

The fourth proportional to 162,353.88, 224,055.28 and 90,733.90 is: 125,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,353.88 : 224,055.28 = 90,733.90 : x
  2. Step 2: Convert to fraction form
    162,353.88/224,055.28 = 90,733.90/x
  3. Step 3: Cross multiply
    162,353.88x = 224,055.28 × 90,733.90
  4. Step 4: Simplify right side
    162,353.88x = 20,329,410,323.62
  5. Step 5: Solve for x
    x = 20,329,410,323.62/162,353.88
  6. Step 6: Final answer
    x = 125,216.66

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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.