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Finding the Fourth Proportional to 215,297.42, 322,957.47 and 65,526.26

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Solution

The fourth proportional to 215,297.42, 322,957.47 and 65,526.26 is: 98,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,297.42 : 322,957.47 = 65,526.26 : x
  2. Step 2: Convert to fraction form
    215,297.42/322,957.47 = 65,526.26/x
  3. Step 3: Cross multiply
    215,297.42x = 322,957.47 × 65,526.26
  4. Step 4: Simplify right side
    215,297.42x = 21,162,195,148.16
  5. Step 5: Solve for x
    x = 21,162,195,148.16/215,297.42
  6. Step 6: Final answer
    x = 98,292.84

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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.