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Finding the Fourth Proportional to 164,737.80, 247,106.70 and 163,571.40

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Solution

The fourth proportional to 164,737.80, 247,106.70 and 163,571.40 is: 245,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,737.80 : 247,106.70 = 163,571.40 : x
  2. Step 2: Convert to fraction form
    164,737.80/247,106.70 = 163,571.40/x
  3. Step 3: Cross multiply
    164,737.80x = 247,106.70 × 163,571.40
  4. Step 4: Simplify right side
    164,737.80x = 40,419,588,868.38
  5. Step 5: Solve for x
    x = 40,419,588,868.38/164,737.80
  6. Step 6: Final answer
    x = 245,357.10

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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.