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Finding the Fourth Proportional to 74,630.62, 102,985.59 and 41,096.62

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Solution

The fourth proportional to 74,630.62, 102,985.59 and 41,096.62 is: 56,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,630.62 : 102,985.59 = 41,096.62 : x
  2. Step 2: Convert to fraction form
    74,630.62/102,985.59 = 41,096.62/x
  3. Step 3: Cross multiply
    74,630.62x = 102,985.59 × 41,096.62
  4. Step 4: Simplify right side
    74,630.62x = 4,232,359,657.71
  5. Step 5: Solve for x
    x = 4,232,359,657.71/74,630.62
  6. Step 6: Final answer
    x = 56,710.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.