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Finding the Fourth Proportional to 146,073.87, 219,108.51 and 74,955.47

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Solution

The fourth proportional to 146,073.87, 219,108.51 and 74,955.47 is: 112,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,073.87 : 219,108.51 = 74,955.47 : x
  2. Step 2: Convert to fraction form
    146,073.87/219,108.51 = 74,955.47/x
  3. Step 3: Cross multiply
    146,073.87x = 219,108.51 × 74,955.47
  4. Step 4: Simplify right side
    146,073.87x = 16,423,380,252.51
  5. Step 5: Solve for x
    x = 16,423,380,252.51/146,073.87
  6. Step 6: Final answer
    x = 112,432.02

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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.