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Finding the Fourth Proportional to 103,400.05, 154,772.03 and 103,400.05

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Solution

The fourth proportional to 103,400.05, 154,772.03 and 103,400.05 is: 154,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,400.05 : 154,772.03 = 103,400.05 : x
  2. Step 2: Convert to fraction form
    103,400.05/154,772.03 = 103,400.05/x
  3. Step 3: Cross multiply
    103,400.05x = 154,772.03 × 103,400.05
  4. Step 4: Simplify right side
    103,400.05x = 16,003,435,123.60
  5. Step 5: Solve for x
    x = 16,003,435,123.60/103,400.05
  6. Step 6: Final answer
    x = 154,772.03

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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.