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Finding the Fourth Proportional to 119,322.99, 164,666.45 and 65,608.45

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Solution

The fourth proportional to 119,322.99, 164,666.45 and 65,608.45 is: 90,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,322.99 : 164,666.45 = 65,608.45 : x
  2. Step 2: Convert to fraction form
    119,322.99/164,666.45 = 65,608.45/x
  3. Step 3: Cross multiply
    119,322.99x = 164,666.45 × 65,608.45
  4. Step 4: Simplify right side
    119,322.99x = 10,803,510,303.86
  5. Step 5: Solve for x
    x = 10,803,510,303.86/119,322.99
  6. Step 6: Final answer
    x = 90,540.06

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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.