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Finding the Fourth Proportional to 169,006.80, 253,469.70 and 97,775.40

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Solution

The fourth proportional to 169,006.80, 253,469.70 and 97,775.40 is: 146,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,006.80 : 253,469.70 = 97,775.40 : x
  2. Step 2: Convert to fraction form
    169,006.80/253,469.70 = 97,775.40/x
  3. Step 3: Cross multiply
    169,006.80x = 253,469.70 × 97,775.40
  4. Step 4: Simplify right side
    169,006.80x = 24,783,101,305.38
  5. Step 5: Solve for x
    x = 24,783,101,305.38/169,006.80
  6. Step 6: Final answer
    x = 146,639.67

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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.