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Finding the Fourth Proportional to 109,751.96, 151,460.82 and 62,007.32

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Solution

The fourth proportional to 109,751.96, 151,460.82 and 62,007.32 is: 85,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,751.96 : 151,460.82 = 62,007.32 : x
  2. Step 2: Convert to fraction form
    109,751.96/151,460.82 = 62,007.32/x
  3. Step 3: Cross multiply
    109,751.96x = 151,460.82 × 62,007.32
  4. Step 4: Simplify right side
    109,751.96x = 9,391,679,533.20
  5. Step 5: Solve for x
    x = 9,391,679,533.20/109,751.96
  6. Step 6: Final answer
    x = 85,571.86

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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.