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Finding the Fourth Proportional to 160,626.60, 221,666.58 and 89,007.48

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Solution

The fourth proportional to 160,626.60, 221,666.58 and 89,007.48 is: 122,831.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,626.60 : 221,666.58 = 89,007.48 : x
  2. Step 2: Convert to fraction form
    160,626.60/221,666.58 = 89,007.48/x
  3. Step 3: Cross multiply
    160,626.60x = 221,666.58 × 89,007.48
  4. Step 4: Simplify right side
    160,626.60x = 19,729,983,686.02
  5. Step 5: Solve for x
    x = 19,729,983,686.02/160,626.60
  6. Step 6: Final answer
    x = 122,831.36

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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.