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Finding the Fourth Proportional to 91,059.93, 125,662.19 and 50,774.18

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Solution

The fourth proportional to 91,059.93, 125,662.19 and 50,774.18 is: 70,068.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,059.93 : 125,662.19 = 50,774.18 : x
  2. Step 2: Convert to fraction form
    91,059.93/125,662.19 = 50,774.18/x
  3. Step 3: Cross multiply
    91,059.93x = 125,662.19 × 50,774.18
  4. Step 4: Simplify right side
    91,059.93x = 6,380,393,772.07
  5. Step 5: Solve for x
    x = 6,380,393,772.07/91,059.93
  6. Step 6: Final answer
    x = 70,068.07

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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.