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Finding the Fourth Proportional to 101,225.96, 151,871.46 and 48,639.32

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Solution

The fourth proportional to 101,225.96, 151,871.46 and 48,639.32 is: 72,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,225.96 : 151,871.46 = 48,639.32 : x
  2. Step 2: Convert to fraction form
    101,225.96/151,871.46 = 48,639.32/x
  3. Step 3: Cross multiply
    101,225.96x = 151,871.46 × 48,639.32
  4. Step 4: Simplify right side
    101,225.96x = 7,386,924,541.81
  5. Step 5: Solve for x
    x = 7,386,924,541.81/101,225.96
  6. Step 6: Final answer
    x = 72,974.61

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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.