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Finding the Fourth Proportional to 191,767.01, 287,661.85 and 58,656.47

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Solution

The fourth proportional to 191,767.01, 287,661.85 and 58,656.47 is: 87,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,767.01 : 287,661.85 = 58,656.47 : x
  2. Step 2: Convert to fraction form
    191,767.01/287,661.85 = 58,656.47/x
  3. Step 3: Cross multiply
    191,767.01x = 287,661.85 × 58,656.47
  4. Step 4: Simplify right side
    191,767.01x = 16,873,227,089.72
  5. Step 5: Solve for x
    x = 16,873,227,089.72/191,767.01
  6. Step 6: Final answer
    x = 87,988.17

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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.