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Finding the Fourth Proportional to 242,501.65, 363,753.08 and 84,730.05

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Solution

The fourth proportional to 242,501.65, 363,753.08 and 84,730.05 is: 127,095.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,501.65 : 363,753.08 = 84,730.05 : x
  2. Step 2: Convert to fraction form
    242,501.65/363,753.08 = 84,730.05/x
  3. Step 3: Cross multiply
    242,501.65x = 363,753.08 × 84,730.05
  4. Step 4: Simplify right side
    242,501.65x = 30,820,816,550.14
  5. Step 5: Solve for x
    x = 30,820,816,550.14/242,501.65
  6. Step 6: Final answer
    x = 127,095.29

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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.