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Finding the Fourth Proportional to 250,519.53, 375,686.01 and 100,709.40

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Solution

The fourth proportional to 250,519.53, 375,686.01 and 100,709.40 is: 151,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,519.53 : 375,686.01 = 100,709.40 : x
  2. Step 2: Convert to fraction form
    250,519.53/375,686.01 = 100,709.40/x
  3. Step 3: Cross multiply
    250,519.53x = 375,686.01 × 100,709.40
  4. Step 4: Simplify right side
    250,519.53x = 37,835,112,655.49
  5. Step 5: Solve for x
    x = 37,835,112,655.49/250,519.53
  6. Step 6: Final answer
    x = 151,026.60

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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.