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Finding the Fourth Proportional to 118,626.03, 163,699.04 and 70,905.69

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Solution

The fourth proportional to 118,626.03, 163,699.04 and 70,905.69 is: 97,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,626.03 : 163,699.04 = 70,905.69 : x
  2. Step 2: Convert to fraction form
    118,626.03/163,699.04 = 70,905.69/x
  3. Step 3: Cross multiply
    118,626.03x = 163,699.04 × 70,905.69
  4. Step 4: Simplify right side
    118,626.03x = 11,607,193,560.80
  5. Step 5: Solve for x
    x = 11,607,193,560.80/118,626.03
  6. Step 6: Final answer
    x = 97,846.94

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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.