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Finding the Fourth Proportional to 251,070.39, 376,130.64 and 194,633.94

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Solution

The fourth proportional to 251,070.39, 376,130.64 and 194,633.94 is: 291,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,070.39 : 376,130.64 = 194,633.94 : x
  2. Step 2: Convert to fraction form
    251,070.39/376,130.64 = 194,633.94/x
  3. Step 3: Cross multiply
    251,070.39x = 376,130.64 × 194,633.94
  4. Step 4: Simplify right side
    251,070.39x = 73,207,788,417.92
  5. Step 5: Solve for x
    x = 73,207,788,417.92/251,070.39
  6. Step 6: Final answer
    x = 291,582.72

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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.