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Finding the Fourth Proportional to 191,095.39, 286,642 and 48,940.39

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Solution

The fourth proportional to 191,095.39, 286,642 and 48,940.39 is: 73,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,095.39 : 286,642 = 48,940.39 : x
  2. Step 2: Convert to fraction form
    191,095.39/286,642 = 48,940.39/x
  3. Step 3: Cross multiply
    191,095.39x = 286,642 × 48,940.39
  4. Step 4: Simplify right side
    191,095.39x = 14,028,371,270.38
  5. Step 5: Solve for x
    x = 14,028,371,270.38/191,095.39
  6. Step 6: Final answer
    x = 73,410.31

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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.