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Finding the Fourth Proportional to 160,462.53, 221,441.67 and 87,868.47

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Solution

The fourth proportional to 160,462.53, 221,441.67 and 87,868.47 is: 121,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,462.53 : 221,441.67 = 87,868.47 : x
  2. Step 2: Convert to fraction form
    160,462.53/221,441.67 = 87,868.47/x
  3. Step 3: Cross multiply
    160,462.53x = 221,441.67 × 87,868.47
  4. Step 4: Simplify right side
    160,462.53x = 19,457,740,737.14
  5. Step 5: Solve for x
    x = 19,457,740,737.14/160,462.53
  6. Step 6: Final answer
    x = 121,260.34

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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.