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Finding the Fourth Proportional to 102,848.37, 154,318.57 and 65,398.73

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Solution

The fourth proportional to 102,848.37, 154,318.57 and 65,398.73 is: 98,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,848.37 : 154,318.57 = 65,398.73 : x
  2. Step 2: Convert to fraction form
    102,848.37/154,318.57 = 65,398.73/x
  3. Step 3: Cross multiply
    102,848.37x = 154,318.57 × 65,398.73
  4. Step 4: Simplify right side
    102,848.37x = 10,092,237,558.33
  5. Step 5: Solve for x
    x = 10,092,237,558.33/102,848.37
  6. Step 6: Final answer
    x = 98,127.35

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1.5x scale

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.