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Finding the Fourth Proportional to 193,125.70, 289,689.09 and 60,025.42

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Solution

The fourth proportional to 193,125.70, 289,689.09 and 60,025.42 is: 90,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,125.70 : 289,689.09 = 60,025.42 : x
  2. Step 2: Convert to fraction form
    193,125.70/289,689.09 = 60,025.42/x
  3. Step 3: Cross multiply
    193,125.70x = 289,689.09 × 60,025.42
  4. Step 4: Simplify right side
    193,125.70x = 17,388,709,296.67
  5. Step 5: Solve for x
    x = 17,388,709,296.67/193,125.70
  6. Step 6: Final answer
    x = 90,038.30

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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.