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Finding the Fourth Proportional to 242,915.68, 364,332.21 and 65,383.12

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Solution

The fourth proportional to 242,915.68, 364,332.21 and 65,383.12 is: 98,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,915.68 : 364,332.21 = 65,383.12 : x
  2. Step 2: Convert to fraction form
    242,915.68/364,332.21 = 65,383.12/x
  3. Step 3: Cross multiply
    242,915.68x = 364,332.21 × 65,383.12
  4. Step 4: Simplify right side
    242,915.68x = 23,821,176,606.30
  5. Step 5: Solve for x
    x = 23,821,176,606.30/242,915.68
  6. Step 6: Final answer
    x = 98,063.56

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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.