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Finding the Fourth Proportional to 146,374.40, 219,619.20 and 57,612.80

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Solution

The fourth proportional to 146,374.40, 219,619.20 and 57,612.80 is: 86,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,374.40 : 219,619.20 = 57,612.80 : x
  2. Step 2: Convert to fraction form
    146,374.40/219,619.20 = 57,612.80/x
  3. Step 3: Cross multiply
    146,374.40x = 219,619.20 × 57,612.80
  4. Step 4: Simplify right side
    146,374.40x = 12,652,877,045.76
  5. Step 5: Solve for x
    x = 12,652,877,045.76/146,374.40
  6. Step 6: Final answer
    x = 86,441.87

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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.