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Finding the Fourth Proportional to 251,268.50, 376,948.92 and 82,798.76

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Solution

The fourth proportional to 251,268.50, 376,948.92 and 82,798.76 is: 124,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,268.50 : 376,948.92 = 82,798.76 : x
  2. Step 2: Convert to fraction form
    251,268.50/376,948.92 = 82,798.76/x
  3. Step 3: Cross multiply
    251,268.50x = 376,948.92 × 82,798.76
  4. Step 4: Simplify right side
    251,268.50x = 31,210,903,159.34
  5. Step 5: Solve for x
    x = 31,210,903,159.34/251,268.50
  6. Step 6: Final answer
    x = 124,213.35

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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.