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Finding the Fourth Proportional to 242,838.63, 364,256.73 and 65,331.18

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Solution

The fourth proportional to 242,838.63, 364,256.73 and 65,331.18 is: 97,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,838.63 : 364,256.73 = 65,331.18 : x
  2. Step 2: Convert to fraction form
    242,838.63/364,256.73 = 65,331.18/x
  3. Step 3: Cross multiply
    242,838.63x = 364,256.73 × 65,331.18
  4. Step 4: Simplify right side
    242,838.63x = 23,797,321,993.84
  5. Step 5: Solve for x
    x = 23,797,321,993.84/242,838.63
  6. Step 6: Final answer
    x = 97,996.44

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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.