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Finding the Fourth Proportional to 163,473.53, 245,213.37 and 45,148.01

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Solution

The fourth proportional to 163,473.53, 245,213.37 and 45,148.01 is: 67,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,473.53 : 245,213.37 = 45,148.01 : x
  2. Step 2: Convert to fraction form
    163,473.53/245,213.37 = 45,148.01/x
  3. Step 3: Cross multiply
    163,473.53x = 245,213.37 × 45,148.01
  4. Step 4: Simplify right side
    163,473.53x = 11,070,894,454.83
  5. Step 5: Solve for x
    x = 11,070,894,454.83/163,473.53
  6. Step 6: Final answer
    x = 67,722.86

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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.