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Finding the Fourth Proportional to 104,670.69, 144,443.95 and 56,922.94

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Solution

The fourth proportional to 104,670.69, 144,443.95 and 56,922.94 is: 78,552.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,670.69 : 144,443.95 = 56,922.94 : x
  2. Step 2: Convert to fraction form
    104,670.69/144,443.95 = 56,922.94/x
  3. Step 3: Cross multiply
    104,670.69x = 144,443.95 × 56,922.94
  4. Step 4: Simplify right side
    104,670.69x = 8,222,174,299.21
  5. Step 5: Solve for x
    x = 8,222,174,299.21/104,670.69
  6. Step 6: Final answer
    x = 78,552.79

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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.