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Finding the Fourth Proportional to 101,214.45, 151,823.30 and 45,041.49

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Solution

The fourth proportional to 101,214.45, 151,823.30 and 45,041.49 is: 67,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,214.45 : 151,823.30 = 45,041.49 : x
  2. Step 2: Convert to fraction form
    101,214.45/151,823.30 = 45,041.49/x
  3. Step 3: Cross multiply
    101,214.45x = 151,823.30 × 45,041.49
  4. Step 4: Simplify right side
    101,214.45x = 6,838,347,423.51
  5. Step 5: Solve for x
    x = 6,838,347,423.51/101,214.45
  6. Step 6: Final answer
    x = 67,562.96

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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.