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Finding the Fourth Proportional to 191,301.99, 286,963.14 and 58,172.01

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Solution

The fourth proportional to 191,301.99, 286,963.14 and 58,172.01 is: 87,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,301.99 : 286,963.14 = 58,172.01 : x
  2. Step 2: Convert to fraction form
    191,301.99/286,963.14 = 58,172.01/x
  3. Step 3: Cross multiply
    191,301.99x = 286,963.14 × 58,172.01
  4. Step 4: Simplify right side
    191,301.99x = 16,693,222,649.71
  5. Step 5: Solve for x
    x = 16,693,222,649.71/191,301.99
  6. Step 6: Final answer
    x = 87,261.10

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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.