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Finding the Fourth Proportional to 146,254.40, 219,235.80 and 67,230.80

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Solution

The fourth proportional to 146,254.40, 219,235.80 and 67,230.80 is: 100,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,254.40 : 219,235.80 = 67,230.80 : x
  2. Step 2: Convert to fraction form
    146,254.40/219,235.80 = 67,230.80/x
  3. Step 3: Cross multiply
    146,254.40x = 219,235.80 × 67,230.80
  4. Step 4: Simplify right side
    146,254.40x = 14,739,398,222.64
  5. Step 5: Solve for x
    x = 14,739,398,222.64/146,254.40
  6. Step 6: Final answer
    x = 100,779.18

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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.