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Finding the Fourth Proportional to 162,647.96, 224,455.32 and 91,034.64

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Solution

The fourth proportional to 162,647.96, 224,455.32 and 91,034.64 is: 125,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,647.96 : 224,455.32 = 91,034.64 : x
  2. Step 2: Convert to fraction form
    162,647.96/224,455.32 = 91,034.64/x
  3. Step 3: Cross multiply
    162,647.96x = 224,455.32 × 91,034.64
  4. Step 4: Simplify right side
    162,647.96x = 20,433,209,252.28
  5. Step 5: Solve for x
    x = 20,433,209,252.28/162,647.96
  6. Step 6: Final answer
    x = 125,628.44

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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.