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Finding the Fourth Proportional to 155,993,865.90, 233,990,798.85 and 110,644,233.90

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Solution

The fourth proportional to 155,993,865.90, 233,990,798.85 and 110,644,233.90 is: 165,966,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,993,865.90 : 233,990,798.85 = 110,644,233.90 : x
  2. Step 2: Convert to fraction form
    155,993,865.90/233,990,798.85 = 110,644,233.90/x
  3. Step 3: Cross multiply
    155,993,865.90x = 233,990,798.85 × 110,644,233.90
  4. Step 4: Simplify right side
    155,993,865.90x = 25,889,732,678,407,252
  5. Step 5: Solve for x
    x = 25,889,732,678,407,252/155,993,865.90
  6. Step 6: Final answer
    x = 165,966,350.85

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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.