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Finding the Fourth Proportional to 191,545.84, 264,323.01 and 109,869.94

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Solution

The fourth proportional to 191,545.84, 264,323.01 and 109,869.94 is: 151,614.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,545.84 : 264,323.01 = 109,869.94 : x
  2. Step 2: Convert to fraction form
    191,545.84/264,323.01 = 109,869.94/x
  3. Step 3: Cross multiply
    191,545.84x = 264,323.01 × 109,869.94
  4. Step 4: Simplify right side
    191,545.84x = 29,041,153,249.32
  5. Step 5: Solve for x
    x = 29,041,153,249.32/191,545.84
  6. Step 6: Final answer
    x = 151,614.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.