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Finding the Fourth Proportional to 146,737.40, 220,106.10 and 94,206.20

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Solution

The fourth proportional to 146,737.40, 220,106.10 and 94,206.20 is: 141,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,737.40 : 220,106.10 = 94,206.20 : x
  2. Step 2: Convert to fraction form
    146,737.40/220,106.10 = 94,206.20/x
  3. Step 3: Cross multiply
    146,737.40x = 220,106.10 × 94,206.20
  4. Step 4: Simplify right side
    146,737.40x = 20,735,359,277.82
  5. Step 5: Solve for x
    x = 20,735,359,277.82/146,737.40
  6. Step 6: Final answer
    x = 141,309.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.