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Finding the Fourth Proportional to 71,235.52, 98,349.81 and 45,752.16

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Solution

The fourth proportional to 71,235.52, 98,349.81 and 45,752.16 is: 63,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,235.52 : 98,349.81 = 45,752.16 : x
  2. Step 2: Convert to fraction form
    71,235.52/98,349.81 = 45,752.16/x
  3. Step 3: Cross multiply
    71,235.52x = 98,349.81 × 45,752.16
  4. Step 4: Simplify right side
    71,235.52x = 4,499,716,243.09
  5. Step 5: Solve for x
    x = 4,499,716,243.09/71,235.52
  6. Step 6: Final answer
    x = 63,166.75

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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.