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Finding the Fourth Proportional to 160,632.79, 221,674.56 and 89,014.02

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Solution

The fourth proportional to 160,632.79, 221,674.56 and 89,014.02 is: 122,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,632.79 : 221,674.56 = 89,014.02 : x
  2. Step 2: Convert to fraction form
    160,632.79/221,674.56 = 89,014.02/x
  3. Step 3: Cross multiply
    160,632.79x = 221,674.56 × 89,014.02
  4. Step 4: Simplify right side
    160,632.79x = 19,732,143,717.33
  5. Step 5: Solve for x
    x = 19,732,143,717.33/160,632.79
  6. Step 6: Final answer
    x = 122,840.07

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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.