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Finding the Fourth Proportional to 180,602.64, 249,240.56 and 108,981.44

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Solution

The fourth proportional to 180,602.64, 249,240.56 and 108,981.44 is: 150,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,602.64 : 249,240.56 = 108,981.44 : x
  2. Step 2: Convert to fraction form
    180,602.64/249,240.56 = 108,981.44/x
  3. Step 3: Cross multiply
    180,602.64x = 249,240.56 × 108,981.44
  4. Step 4: Simplify right side
    180,602.64x = 27,162,595,135.21
  5. Step 5: Solve for x
    x = 27,162,595,135.21/180,602.64
  6. Step 6: Final answer
    x = 150,399.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.