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Finding the Fourth Proportional to 104,715.78, 144,483.21 and 59,383.86

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Solution

The fourth proportional to 104,715.78, 144,483.21 and 59,383.86 is: 81,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,715.78 : 144,483.21 = 59,383.86 : x
  2. Step 2: Convert to fraction form
    104,715.78/144,483.21 = 59,383.86/x
  3. Step 3: Cross multiply
    104,715.78x = 144,483.21 × 59,383.86
  4. Step 4: Simplify right side
    104,715.78x = 8,579,970,714.99
  5. Step 5: Solve for x
    x = 8,579,970,714.99/104,715.78
  6. Step 6: Final answer
    x = 81,935.80

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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.