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Finding the Fourth Proportional to 104,950.60, 157,425.90 and 100,868.20

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Solution

The fourth proportional to 104,950.60, 157,425.90 and 100,868.20 is: 151,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,950.60 : 157,425.90 = 100,868.20 : x
  2. Step 2: Convert to fraction form
    104,950.60/157,425.90 = 100,868.20/x
  3. Step 3: Cross multiply
    104,950.60x = 157,425.90 × 100,868.20
  4. Step 4: Simplify right side
    104,950.60x = 15,879,267,166.38
  5. Step 5: Solve for x
    x = 15,879,267,166.38/104,950.60
  6. Step 6: Final answer
    x = 151,302.30

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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.