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Finding the Fourth Proportional to 76,011.57, 104,895.90 and 45,798.17

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Solution

The fourth proportional to 76,011.57, 104,895.90 and 45,798.17 is: 63,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,011.57 : 104,895.90 = 45,798.17 : x
  2. Step 2: Convert to fraction form
    76,011.57/104,895.90 = 45,798.17/x
  3. Step 3: Cross multiply
    76,011.57x = 104,895.90 × 45,798.17
  4. Step 4: Simplify right side
    76,011.57x = 4,804,039,736.02
  5. Step 5: Solve for x
    x = 4,804,039,736.02/76,011.57
  6. Step 6: Final answer
    x = 63,201.43

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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.