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Finding the Fourth Proportional to 103,394.74, 154,981.85 and 58,925.74

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Solution

The fourth proportional to 103,394.74, 154,981.85 and 58,925.74 is: 88,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,394.74 : 154,981.85 = 58,925.74 : x
  2. Step 2: Convert to fraction form
    103,394.74/154,981.85 = 58,925.74/x
  3. Step 3: Cross multiply
    103,394.74x = 154,981.85 × 58,925.74
  4. Step 4: Simplify right side
    103,394.74x = 9,132,420,197.82
  5. Step 5: Solve for x
    x = 9,132,420,197.82/103,394.74
  6. Step 6: Final answer
    x = 88,325.77

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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.