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Finding the Fourth Proportional to 215,077.33, 322,595.02 and 65,318.91

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Solution

The fourth proportional to 215,077.33, 322,595.02 and 65,318.91 is: 97,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,077.33 : 322,595.02 = 65,318.91 : x
  2. Step 2: Convert to fraction form
    215,077.33/322,595.02 = 65,318.91/x
  3. Step 3: Cross multiply
    215,077.33x = 322,595.02 × 65,318.91
  4. Step 4: Simplify right side
    215,077.33x = 21,071,556,671.64
  5. Step 5: Solve for x
    x = 21,071,556,671.64/215,077.33
  6. Step 6: Final answer
    x = 97,972.00

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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.