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Finding the Fourth Proportional to 191,041.73, 286,545.02 and 64,667.53

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Solution

The fourth proportional to 191,041.73, 286,545.02 and 64,667.53 is: 96,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,041.73 : 286,545.02 = 64,667.53 : x
  2. Step 2: Convert to fraction form
    191,041.73/286,545.02 = 64,667.53/x
  3. Step 3: Cross multiply
    191,041.73x = 286,545.02 × 64,667.53
  4. Step 4: Simplify right side
    191,041.73x = 18,530,157,637.50
  5. Step 5: Solve for x
    x = 18,530,157,637.50/191,041.73
  6. Step 6: Final answer
    x = 96,995.34

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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.