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Finding the Fourth Proportional to 180,417.60, 270,439.52 and 148,492.21

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Solution

The fourth proportional to 180,417.60, 270,439.52 and 148,492.21 is: 222,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,417.60 : 270,439.52 = 148,492.21 : x
  2. Step 2: Convert to fraction form
    180,417.60/270,439.52 = 148,492.21/x
  3. Step 3: Cross multiply
    180,417.60x = 270,439.52 × 148,492.21
  4. Step 4: Simplify right side
    180,417.60x = 40,158,161,996.14
  5. Step 5: Solve for x
    x = 40,158,161,996.14/180,417.60
  6. Step 6: Final answer
    x = 222,584.50

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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.