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Finding the Fourth Proportional to 118,757.53, 163,879.26 and 65,032.16

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Solution

The fourth proportional to 118,757.53, 163,879.26 and 65,032.16 is: 89,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,757.53 : 163,879.26 = 65,032.16 : x
  2. Step 2: Convert to fraction form
    118,757.53/163,879.26 = 65,032.16/x
  3. Step 3: Cross multiply
    118,757.53x = 163,879.26 × 65,032.16
  4. Step 4: Simplify right side
    118,757.53x = 10,657,422,666.70
  5. Step 5: Solve for x
    x = 10,657,422,666.70/118,757.53
  6. Step 6: Final answer
    x = 89,741.03

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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.