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Finding the Fourth Proportional to 118,676.58, 163,770.03 and 64,960.62

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Solution

The fourth proportional to 118,676.58, 163,770.03 and 64,960.62 is: 89,643.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,676.58 : 163,770.03 = 64,960.62 : x
  2. Step 2: Convert to fraction form
    118,676.58/163,770.03 = 64,960.62/x
  3. Step 3: Cross multiply
    118,676.58x = 163,770.03 × 64,960.62
  4. Step 4: Simplify right side
    118,676.58x = 10,638,602,686.22
  5. Step 5: Solve for x
    x = 10,638,602,686.22/118,676.58
  6. Step 6: Final answer
    x = 89,643.66

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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.