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Finding the Fourth Proportional to 101,503.63, 152,307.94 and 73,653.30

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Solution

The fourth proportional to 101,503.63, 152,307.94 and 73,653.30 is: 110,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,503.63 : 152,307.94 = 73,653.30 : x
  2. Step 2: Convert to fraction form
    101,503.63/152,307.94 = 73,653.30/x
  3. Step 3: Cross multiply
    101,503.63x = 152,307.94 × 73,653.30
  4. Step 4: Simplify right side
    101,503.63x = 11,217,982,397.20
  5. Step 5: Solve for x
    x = 11,217,982,397.20/101,503.63
  6. Step 6: Final answer
    x = 110,518.04

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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.