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Finding the Fourth Proportional to 316,707.36, 475,077.32 and 80,052.04

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Solution

The fourth proportional to 316,707.36, 475,077.32 and 80,052.04 is: 120,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,707.36 : 475,077.32 = 80,052.04 : x
  2. Step 2: Convert to fraction form
    316,707.36/475,077.32 = 80,052.04/x
  3. Step 3: Cross multiply
    316,707.36x = 475,077.32 × 80,052.04
  4. Step 4: Simplify right side
    316,707.36x = 38,030,908,623.73
  5. Step 5: Solve for x
    x = 38,030,908,623.73/316,707.36
  6. Step 6: Final answer
    x = 120,082.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.