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Finding the Fourth Proportional to 191,499.66, 287,504.01 and 163,599.03

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Solution

The fourth proportional to 191,499.66, 287,504.01 and 163,599.03 is: 245,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,499.66 : 287,504.01 = 163,599.03 : x
  2. Step 2: Convert to fraction form
    191,499.66/287,504.01 = 163,599.03/x
  3. Step 3: Cross multiply
    191,499.66x = 287,504.01 × 163,599.03
  4. Step 4: Simplify right side
    191,499.66x = 47,035,377,157.11
  5. Step 5: Solve for x
    x = 47,035,377,157.11/191,499.66
  6. Step 6: Final answer
    x = 245,615.98

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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.