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Finding the Fourth Proportional to 177,649.89, 245,160.05 and 97,080.81

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Solution

The fourth proportional to 177,649.89, 245,160.05 and 97,080.81 is: 133,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,649.89 : 245,160.05 = 97,080.81 : x
  2. Step 2: Convert to fraction form
    177,649.89/245,160.05 = 97,080.81/x
  3. Step 3: Cross multiply
    177,649.89x = 245,160.05 × 97,080.81
  4. Step 4: Simplify right side
    177,649.89x = 23,800,335,374.97
  5. Step 5: Solve for x
    x = 23,800,335,374.97/177,649.89
  6. Step 6: Final answer
    x = 133,973.27

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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.