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Finding the Fourth Proportional to 194,810.90, 292,216.35 and 186,937.70

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Solution

The fourth proportional to 194,810.90, 292,216.35 and 186,937.70 is: 280,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,810.90 : 292,216.35 = 186,937.70 : x
  2. Step 2: Convert to fraction form
    194,810.90/292,216.35 = 186,937.70/x
  3. Step 3: Cross multiply
    194,810.90x = 292,216.35 × 186,937.70
  4. Step 4: Simplify right side
    194,810.90x = 54,626,252,371.40
  5. Step 5: Solve for x
    x = 54,626,252,371.40/194,810.90
  6. Step 6: Final answer
    x = 280,406.55

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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.