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Finding the Fourth Proportional to 119,297.66, 164,628.59 and 65,582.17

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Solution

The fourth proportional to 119,297.66, 164,628.59 and 65,582.17 is: 90,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,297.66 : 164,628.59 = 65,582.17 : x
  2. Step 2: Convert to fraction form
    119,297.66/164,628.59 = 65,582.17/x
  3. Step 3: Cross multiply
    119,297.66x = 164,628.59 × 65,582.17
  4. Step 4: Simplify right side
    119,297.66x = 10,796,699,436.76
  5. Step 5: Solve for x
    x = 10,796,699,436.76/119,297.66
  6. Step 6: Final answer
    x = 90,502.19

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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.