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Finding the Fourth Proportional to 118,175.55, 163,084.48 and 64,462.49

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Solution

The fourth proportional to 118,175.55, 163,084.48 and 64,462.49 is: 88,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,175.55 : 163,084.48 = 64,462.49 : x
  2. Step 2: Convert to fraction form
    118,175.55/163,084.48 = 64,462.49/x
  3. Step 3: Cross multiply
    118,175.55x = 163,084.48 × 64,462.49
  4. Step 4: Simplify right side
    118,175.55x = 10,512,831,661.16
  5. Step 5: Solve for x
    x = 10,512,831,661.16/118,175.55
  6. Step 6: Final answer
    x = 88,959.45

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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.