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Finding the Fourth Proportional to 118,599.48, 163,640.52 and 70,843.50

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Solution

The fourth proportional to 118,599.48, 163,640.52 and 70,843.50 is: 97,748.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,599.48 : 163,640.52 = 70,843.50 : x
  2. Step 2: Convert to fraction form
    118,599.48/163,640.52 = 70,843.50/x
  3. Step 3: Cross multiply
    118,599.48x = 163,640.52 × 70,843.50
  4. Step 4: Simplify right side
    118,599.48x = 11,592,867,178.62
  5. Step 5: Solve for x
    x = 11,592,867,178.62/118,599.48
  6. Step 6: Final answer
    x = 97,748.04

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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.