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Finding the Fourth Proportional to 346,082.60, 519,026.70 and 109,497.80

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Solution

The fourth proportional to 346,082.60, 519,026.70 and 109,497.80 is: 164,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,082.60 : 519,026.70 = 109,497.80 : x
  2. Step 2: Convert to fraction form
    346,082.60/519,026.70 = 109,497.80/x
  3. Step 3: Cross multiply
    346,082.60x = 519,026.70 × 109,497.80
  4. Step 4: Simplify right side
    346,082.60x = 56,832,281,791.26
  5. Step 5: Solve for x
    x = 56,832,281,791.26/346,082.60
  6. Step 6: Final answer
    x = 164,215.95

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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.