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Finding the Fourth Proportional to 118,762.24, 163,893.64 and 65,052.24

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Solution

The fourth proportional to 118,762.24, 163,893.64 and 65,052.24 is: 89,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,762.24 : 163,893.64 = 65,052.24 : x
  2. Step 2: Convert to fraction form
    118,762.24/163,893.64 = 65,052.24/x
  3. Step 3: Cross multiply
    118,762.24x = 163,893.64 × 65,052.24
  4. Step 4: Simplify right side
    118,762.24x = 10,661,648,403.75
  5. Step 5: Solve for x
    x = 10,661,648,403.75/118,762.24
  6. Step 6: Final answer
    x = 89,773.05

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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.