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Finding the Fourth Proportional to 251,883.30, 377,496.90 and 102,000.90

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Solution

The fourth proportional to 251,883.30, 377,496.90 and 102,000.90 is: 152,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,883.30 : 377,496.90 = 102,000.90 : x
  2. Step 2: Convert to fraction form
    251,883.30/377,496.90 = 102,000.90/x
  3. Step 3: Cross multiply
    251,883.30x = 377,496.90 × 102,000.90
  4. Step 4: Simplify right side
    251,883.30x = 38,505,023,547.21
  5. Step 5: Solve for x
    x = 38,505,023,547.21/251,883.30
  6. Step 6: Final answer
    x = 152,868.51

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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.