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Finding the Fourth Proportional to 242,646.20, 363,980.10 and 92,958.20

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Solution

The fourth proportional to 242,646.20, 363,980.10 and 92,958.20 is: 139,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,646.20 : 363,980.10 = 92,958.20 : x
  2. Step 2: Convert to fraction form
    242,646.20/363,980.10 = 92,958.20/x
  3. Step 3: Cross multiply
    242,646.20x = 363,980.10 × 92,958.20
  4. Step 4: Simplify right side
    242,646.20x = 33,834,934,931.82
  5. Step 5: Solve for x
    x = 33,834,934,931.82/242,646.20
  6. Step 6: Final answer
    x = 139,441.44

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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.