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Finding the Fourth Proportional to 223,282.16, 307,917.84 and 146,666.48

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Solution

The fourth proportional to 223,282.16, 307,917.84 and 146,666.48 is: 202,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,282.16 : 307,917.84 = 146,666.48 : x
  2. Step 2: Convert to fraction form
    223,282.16/307,917.84 = 146,666.48/x
  3. Step 3: Cross multiply
    223,282.16x = 307,917.84 × 146,666.48
  4. Step 4: Simplify right side
    223,282.16x = 45,161,225,722.00
  5. Step 5: Solve for x
    x = 45,161,225,722.00/223,282.16
  6. Step 6: Final answer
    x = 202,260.79

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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.