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Finding the Fourth Proportional to 242,307.78, 363,519.18 and 76,095.78

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Solution

The fourth proportional to 242,307.78, 363,519.18 and 76,095.78 is: 114,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,307.78 : 363,519.18 = 76,095.78 : x
  2. Step 2: Convert to fraction form
    242,307.78/363,519.18 = 76,095.78/x
  3. Step 3: Cross multiply
    242,307.78x = 363,519.18 × 76,095.78
  4. Step 4: Simplify right side
    242,307.78x = 27,662,275,547.06
  5. Step 5: Solve for x
    x = 27,662,275,547.06/242,307.78
  6. Step 6: Final answer
    x = 114,161.73

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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.