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Finding the Fourth Proportional to 180,937.54, 249,663.90 and 100,352.26

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Solution

The fourth proportional to 180,937.54, 249,663.90 and 100,352.26 is: 138,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,937.54 : 249,663.90 = 100,352.26 : x
  2. Step 2: Convert to fraction form
    180,937.54/249,663.90 = 100,352.26/x
  3. Step 3: Cross multiply
    180,937.54x = 249,663.90 × 100,352.26
  4. Step 4: Simplify right side
    180,937.54x = 25,054,336,605.41
  5. Step 5: Solve for x
    x = 25,054,336,605.41/180,937.54
  6. Step 6: Final answer
    x = 138,469.53

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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.