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Finding the Fourth Proportional to 110,503.33, 165,473.36 and 72,948.76

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Solution

The fourth proportional to 110,503.33, 165,473.36 and 72,948.76 is: 109,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,503.33 : 165,473.36 = 72,948.76 : x
  2. Step 2: Convert to fraction form
    110,503.33/165,473.36 = 72,948.76/x
  3. Step 3: Cross multiply
    110,503.33x = 165,473.36 × 72,948.76
  4. Step 4: Simplify right side
    110,503.33x = 12,071,076,425.03
  5. Step 5: Solve for x
    x = 12,071,076,425.03/110,503.33
  6. Step 6: Final answer
    x = 109,237.22

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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.