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Finding the Fourth Proportional to 160,828.80, 221,953.80 and 92,858.24

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Solution

The fourth proportional to 160,828.80, 221,953.80 and 92,858.24 is: 128,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,828.80 : 221,953.80 = 92,858.24 : x
  2. Step 2: Convert to fraction form
    160,828.80/221,953.80 = 92,858.24/x
  3. Step 3: Cross multiply
    160,828.80x = 221,953.80 × 92,858.24
  4. Step 4: Simplify right side
    160,828.80x = 20,610,239,229.31
  5. Step 5: Solve for x
    x = 20,610,239,229.31/160,828.80
  6. Step 6: Final answer
    x = 128,150.18

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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.