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Finding the Fourth Proportional to 118,101.73, 162,941.46 and 70,348.60

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Solution

The fourth proportional to 118,101.73, 162,941.46 and 70,348.60 is: 97,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,101.73 : 162,941.46 = 70,348.60 : x
  2. Step 2: Convert to fraction form
    118,101.73/162,941.46 = 70,348.60/x
  3. Step 3: Cross multiply
    118,101.73x = 162,941.46 × 70,348.60
  4. Step 4: Simplify right side
    118,101.73x = 11,462,703,592.96
  5. Step 5: Solve for x
    x = 11,462,703,592.96/118,101.73
  6. Step 6: Final answer
    x = 97,057.88

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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.