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Finding the Fourth Proportional to 127,703.16, 176,232.24 and 73,992.06

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Solution

The fourth proportional to 127,703.16, 176,232.24 and 73,992.06 is: 102,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,703.16 : 176,232.24 = 73,992.06 : x
  2. Step 2: Convert to fraction form
    127,703.16/176,232.24 = 73,992.06/x
  3. Step 3: Cross multiply
    127,703.16x = 176,232.24 × 73,992.06
  4. Step 4: Simplify right side
    127,703.16x = 13,039,786,476.01
  5. Step 5: Solve for x
    x = 13,039,786,476.01/127,703.16
  6. Step 6: Final answer
    x = 102,110.13

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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.