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Finding the Fourth Proportional to 193,252.08, 289,911.60 and 65,156.16

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Solution

The fourth proportional to 193,252.08, 289,911.60 and 65,156.16 is: 97,745.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,252.08 : 289,911.60 = 65,156.16 : x
  2. Step 2: Convert to fraction form
    193,252.08/289,911.60 = 65,156.16/x
  3. Step 3: Cross multiply
    193,252.08x = 289,911.60 × 65,156.16
  4. Step 4: Simplify right side
    193,252.08x = 18,889,526,595.46
  5. Step 5: Solve for x
    x = 18,889,526,595.46/193,252.08
  6. Step 6: Final answer
    x = 97,745.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.