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Finding the Fourth Proportional to 79,373.16, 119,224.35 and 64,192.79

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Solution

The fourth proportional to 79,373.16, 119,224.35 and 64,192.79 is: 96,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,373.16 : 119,224.35 = 64,192.79 : x
  2. Step 2: Convert to fraction form
    79,373.16/119,224.35 = 64,192.79/x
  3. Step 3: Cross multiply
    79,373.16x = 119,224.35 × 64,192.79
  4. Step 4: Simplify right side
    79,373.16x = 7,653,343,066.31
  5. Step 5: Solve for x
    x = 7,653,343,066.31/79,373.16
  6. Step 6: Final answer
    x = 96,422.31

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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.