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Finding the Fourth Proportional to 162,495.36, 224,255.04 and 90,882.06

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Solution

The fourth proportional to 162,495.36, 224,255.04 and 90,882.06 is: 125,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,495.36 : 224,255.04 = 90,882.06 : x
  2. Step 2: Convert to fraction form
    162,495.36/224,255.04 = 90,882.06/x
  3. Step 3: Cross multiply
    162,495.36x = 224,255.04 × 90,882.06
  4. Step 4: Simplify right side
    162,495.36x = 20,380,760,000.58
  5. Step 5: Solve for x
    x = 20,380,760,000.58/162,495.36
  6. Step 6: Final answer
    x = 125,423.64

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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.