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Finding the Fourth Proportional to 193,252.60, 289,749.30 and 88,017.40

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Solution

The fourth proportional to 193,252.60, 289,749.30 and 88,017.40 is: 131,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,252.60 : 289,749.30 = 88,017.40 : x
  2. Step 2: Convert to fraction form
    193,252.60/289,749.30 = 88,017.40/x
  3. Step 3: Cross multiply
    193,252.60x = 289,749.30 × 88,017.40
  4. Step 4: Simplify right side
    193,252.60x = 25,502,980,037.82
  5. Step 5: Solve for x
    x = 25,502,980,037.82/193,252.60
  6. Step 6: Final answer
    x = 131,967.07

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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.