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Finding the Fourth Proportional to 104,656.99, 144,432.94 and 61,665.13

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Solution

The fourth proportional to 104,656.99, 144,432.94 and 61,665.13 is: 85,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,656.99 : 144,432.94 = 61,665.13 : x
  2. Step 2: Convert to fraction form
    104,656.99/144,432.94 = 61,665.13/x
  3. Step 3: Cross multiply
    104,656.99x = 144,432.94 × 61,665.13
  4. Step 4: Simplify right side
    104,656.99x = 8,906,475,737.38
  5. Step 5: Solve for x
    x = 8,906,475,737.38/104,656.99
  6. Step 6: Final answer
    x = 85,101.59

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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.