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Finding the Fourth Proportional to 160,482.20, 221,523.75 and 93,414.20

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Solution

The fourth proportional to 160,482.20, 221,523.75 and 93,414.20 is: 128,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,482.20 : 221,523.75 = 93,414.20 : x
  2. Step 2: Convert to fraction form
    160,482.20/221,523.75 = 93,414.20/x
  3. Step 3: Cross multiply
    160,482.20x = 221,523.75 × 93,414.20
  4. Step 4: Simplify right side
    160,482.20x = 20,693,462,779.63
  5. Step 5: Solve for x
    x = 20,693,462,779.63/160,482.20
  6. Step 6: Final answer
    x = 128,945.54

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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.