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Finding the Fourth Proportional to 340,050.21, 510,103.88 and 103,394.94

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Solution

The fourth proportional to 340,050.21, 510,103.88 and 103,394.94 is: 155,101.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,050.21 : 510,103.88 = 103,394.94 : x
  2. Step 2: Convert to fraction form
    340,050.21/510,103.88 = 103,394.94/x
  3. Step 3: Cross multiply
    340,050.21x = 510,103.88 × 103,394.94
  4. Step 4: Simplify right side
    340,050.21x = 52,742,159,549.39
  5. Step 5: Solve for x
    x = 52,742,159,549.39/340,050.21
  6. Step 6: Final answer
    x = 155,101.09

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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.