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Finding the Fourth Proportional to 180,615.44, 249,238.32 and 100,038.17

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Solution

The fourth proportional to 180,615.44, 249,238.32 and 100,038.17 is: 138,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,615.44 : 249,238.32 = 100,038.17 : x
  2. Step 2: Convert to fraction form
    180,615.44/249,238.32 = 100,038.17/x
  3. Step 3: Cross multiply
    180,615.44x = 249,238.32 × 100,038.17
  4. Step 4: Simplify right side
    180,615.44x = 24,933,345,426.67
  5. Step 5: Solve for x
    x = 24,933,345,426.67/180,615.44
  6. Step 6: Final answer
    x = 138,046.59

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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.