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Finding the Fourth Proportional to 169,649.59, 254,483.13 and 43,290.94

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Solution

The fourth proportional to 169,649.59, 254,483.13 and 43,290.94 is: 64,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,649.59 : 254,483.13 = 43,290.94 : x
  2. Step 2: Convert to fraction form
    169,649.59/254,483.13 = 43,290.94/x
  3. Step 3: Cross multiply
    169,649.59x = 254,483.13 × 43,290.94
  4. Step 4: Simplify right side
    169,649.59x = 11,016,813,911.84
  5. Step 5: Solve for x
    x = 11,016,813,911.84/169,649.59
  6. Step 6: Final answer
    x = 64,938.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.