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Finding the Fourth Proportional to 114,601.10, 171,901.65 and 65,449.10

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Solution

The fourth proportional to 114,601.10, 171,901.65 and 65,449.10 is: 98,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,601.10 : 171,901.65 = 65,449.10 : x
  2. Step 2: Convert to fraction form
    114,601.10/171,901.65 = 65,449.10/x
  3. Step 3: Cross multiply
    114,601.10x = 171,901.65 × 65,449.10
  4. Step 4: Simplify right side
    114,601.10x = 11,250,808,281.02
  5. Step 5: Solve for x
    x = 11,250,808,281.02/114,601.10
  6. Step 6: Final answer
    x = 98,173.65

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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.