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Finding the Fourth Proportional to 191,616.01, 286,881.81 and 101,453.91

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Solution

The fourth proportional to 191,616.01, 286,881.81 and 101,453.91 is: 151,893.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,616.01 : 286,881.81 = 101,453.91 : x
  2. Step 2: Convert to fraction form
    191,616.01/286,881.81 = 101,453.91/x
  3. Step 3: Cross multiply
    191,616.01x = 286,881.81 × 101,453.91
  4. Step 4: Simplify right side
    191,616.01x = 29,105,281,332.38
  5. Step 5: Solve for x
    x = 29,105,281,332.38/191,616.01
  6. Step 6: Final answer
    x = 151,893.79

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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.