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Finding the Fourth Proportional to 129,005.60, 173,604.60 and 129,005.60

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Solution

The fourth proportional to 129,005.60, 173,604.60 and 129,005.60 is: 173,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,005.60 : 173,604.60 = 129,005.60 : x
  2. Step 2: Convert to fraction form
    129,005.60/173,604.60 = 129,005.60/x
  3. Step 3: Cross multiply
    129,005.60x = 173,604.60 × 129,005.60
  4. Step 4: Simplify right side
    129,005.60x = 22,395,965,585.76
  5. Step 5: Solve for x
    x = 22,395,965,585.76/129,005.60
  6. Step 6: Final answer
    x = 173,604.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.