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Finding the Fourth Proportional to 160,370.89, 221,310.43 and 88,749.07

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Solution

The fourth proportional to 160,370.89, 221,310.43 and 88,749.07 is: 122,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,370.89 : 221,310.43 = 88,749.07 : x
  2. Step 2: Convert to fraction form
    160,370.89/221,310.43 = 88,749.07/x
  3. Step 3: Cross multiply
    160,370.89x = 221,310.43 × 88,749.07
  4. Step 4: Simplify right side
    160,370.89x = 19,641,094,068.65
  5. Step 5: Solve for x
    x = 19,641,094,068.65/160,370.89
  6. Step 6: Final answer
    x = 122,472.94

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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.