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Finding the Fourth Proportional to 114,775.99, 158,328.47 and 73,305.61

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Solution

The fourth proportional to 114,775.99, 158,328.47 and 73,305.61 is: 101,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,775.99 : 158,328.47 = 73,305.61 : x
  2. Step 2: Convert to fraction form
    114,775.99/158,328.47 = 73,305.61/x
  3. Step 3: Cross multiply
    114,775.99x = 158,328.47 × 73,305.61
  4. Step 4: Simplify right side
    114,775.99x = 11,606,364,861.16
  5. Step 5: Solve for x
    x = 11,606,364,861.16/114,775.99
  6. Step 6: Final answer
    x = 101,121.89

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1.5x scale

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.