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Finding the Fourth Proportional to 346,605.72, 519,906.94 and 93,885.72

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Solution

The fourth proportional to 346,605.72, 519,906.94 and 93,885.72 is: 140,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,605.72 : 519,906.94 = 93,885.72 : x
  2. Step 2: Convert to fraction form
    346,605.72/519,906.94 = 93,885.72/x
  3. Step 3: Cross multiply
    346,605.72x = 519,906.94 × 93,885.72
  4. Step 4: Simplify right side
    346,605.72x = 48,811,837,394.90
  5. Step 5: Solve for x
    x = 48,811,837,394.90/346,605.72
  6. Step 6: Final answer
    x = 140,828.14

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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.