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Finding the Fourth Proportional to 160,586.49, 221,610.93 and 88,967.49

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Solution

The fourth proportional to 160,586.49, 221,610.93 and 88,967.49 is: 122,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,586.49 : 221,610.93 = 88,967.49 : x
  2. Step 2: Convert to fraction form
    160,586.49/221,610.93 = 88,967.49/x
  3. Step 3: Cross multiply
    160,586.49x = 221,610.93 × 88,967.49
  4. Step 4: Simplify right side
    160,586.49x = 19,716,168,198.67
  5. Step 5: Solve for x
    x = 19,716,168,198.67/160,586.49
  6. Step 6: Final answer
    x = 122,776.01

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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.