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Finding the Fourth Proportional to 242,920.68, 364,339.71 and 65,388.12

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Solution

The fourth proportional to 242,920.68, 364,339.71 and 65,388.12 is: 98,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,920.68 : 364,339.71 = 65,388.12 : x
  2. Step 2: Convert to fraction form
    242,920.68/364,339.71 = 65,388.12/x
  3. Step 3: Cross multiply
    242,920.68x = 364,339.71 × 65,388.12
  4. Step 4: Simplify right side
    242,920.68x = 23,823,488,678.25
  5. Step 5: Solve for x
    x = 23,823,488,678.25/242,920.68
  6. Step 6: Final answer
    x = 98,071.06

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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.