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Finding the Fourth Proportional to 70,454.03, 97,230.57 and 41,790.70

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Solution

The fourth proportional to 70,454.03, 97,230.57 and 41,790.70 is: 57,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,454.03 : 97,230.57 = 41,790.70 : x
  2. Step 2: Convert to fraction form
    70,454.03/97,230.57 = 41,790.70/x
  3. Step 3: Cross multiply
    70,454.03x = 97,230.57 × 41,790.70
  4. Step 4: Simplify right side
    70,454.03x = 4,063,333,095.55
  5. Step 5: Solve for x
    x = 4,063,333,095.55/70,454.03
  6. Step 6: Final answer
    x = 57,673.54

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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.