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Finding the Fourth Proportional to 251,415.83, 346,904.22 and 141,038.15

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Solution

The fourth proportional to 251,415.83, 346,904.22 and 141,038.15 is: 194,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,415.83 : 346,904.22 = 141,038.15 : x
  2. Step 2: Convert to fraction form
    251,415.83/346,904.22 = 141,038.15/x
  3. Step 3: Cross multiply
    251,415.83x = 346,904.22 × 141,038.15
  4. Step 4: Simplify right side
    251,415.83x = 48,926,729,415.99
  5. Step 5: Solve for x
    x = 48,926,729,415.99/251,415.83
  6. Step 6: Final answer
    x = 194,604.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.