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Finding the Fourth Proportional to 104,775.59, 144,593.43 and 64,512.58

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Solution

The fourth proportional to 104,775.59, 144,593.43 and 64,512.58 is: 89,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,775.59 : 144,593.43 = 64,512.58 : x
  2. Step 2: Convert to fraction form
    104,775.59/144,593.43 = 64,512.58/x
  3. Step 3: Cross multiply
    104,775.59x = 144,593.43 × 64,512.58
  4. Step 4: Simplify right side
    104,775.59x = 9,328,094,697.58
  5. Step 5: Solve for x
    x = 9,328,094,697.58/104,775.59
  6. Step 6: Final answer
    x = 89,029.28

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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.