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Finding the Fourth Proportional to 173,485.80, 260,228.70 and 89,245.80

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Solution

The fourth proportional to 173,485.80, 260,228.70 and 89,245.80 is: 133,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,485.80 : 260,228.70 = 89,245.80 : x
  2. Step 2: Convert to fraction form
    173,485.80/260,228.70 = 89,245.80/x
  3. Step 3: Cross multiply
    173,485.80x = 260,228.70 × 89,245.80
  4. Step 4: Simplify right side
    173,485.80x = 23,224,318,514.46
  5. Step 5: Solve for x
    x = 23,224,318,514.46/173,485.80
  6. Step 6: Final answer
    x = 133,868.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.