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Finding the Fourth Proportional to 191,797.04, 287,191.56 and 154,157.36

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Solution

The fourth proportional to 191,797.04, 287,191.56 and 154,157.36 is: 230,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,797.04 : 287,191.56 = 154,157.36 : x
  2. Step 2: Convert to fraction form
    191,797.04/287,191.56 = 154,157.36/x
  3. Step 3: Cross multiply
    191,797.04x = 287,191.56 × 154,157.36
  4. Step 4: Simplify right side
    191,797.04x = 44,272,692,703.88
  5. Step 5: Solve for x
    x = 44,272,692,703.88/191,797.04
  6. Step 6: Final answer
    x = 230,830.95

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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.