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Finding the Fourth Proportional to 180,608.55, 249,407.34 and 135,207.71

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Solution

The fourth proportional to 180,608.55, 249,407.34 and 135,207.71 is: 186,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,608.55 : 249,407.34 = 135,207.71 : x
  2. Step 2: Convert to fraction form
    180,608.55/249,407.34 = 135,207.71/x
  3. Step 3: Cross multiply
    180,608.55x = 249,407.34 × 135,207.71
  4. Step 4: Simplify right side
    180,608.55x = 33,721,794,348.75
  5. Step 5: Solve for x
    x = 33,721,794,348.75/180,608.55
  6. Step 6: Final answer
    x = 186,712.06

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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.