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Finding the Fourth Proportional to 180,374.36, 270,561.30 and 72,352.48

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Solution

The fourth proportional to 180,374.36, 270,561.30 and 72,352.48 is: 108,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,374.36 : 270,561.30 = 72,352.48 : x
  2. Step 2: Convert to fraction form
    180,374.36/270,561.30 = 72,352.48/x
  3. Step 3: Cross multiply
    180,374.36x = 270,561.30 × 72,352.48
  4. Step 4: Simplify right side
    180,374.36x = 19,575,781,047.02
  5. Step 5: Solve for x
    x = 19,575,781,047.02/180,374.36
  6. Step 6: Final answer
    x = 108,528.62

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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.