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Finding the Fourth Proportional to 191,151.52, 286,634.40 and 58,007.68

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Solution

The fourth proportional to 191,151.52, 286,634.40 and 58,007.68 is: 86,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,151.52 : 286,634.40 = 58,007.68 : x
  2. Step 2: Convert to fraction form
    191,151.52/286,634.40 = 58,007.68/x
  3. Step 3: Cross multiply
    191,151.52x = 286,634.40 × 58,007.68
  4. Step 4: Simplify right side
    191,151.52x = 16,626,996,552.19
  5. Step 5: Solve for x
    x = 16,626,996,552.19/191,151.52
  6. Step 6: Final answer
    x = 86,983.33

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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.