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Finding the Fourth Proportional to 155,959.23, 233,897.31 and 43,632.48

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Solution

The fourth proportional to 155,959.23, 233,897.31 and 43,632.48 is: 65,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,959.23 : 233,897.31 = 43,632.48 : x
  2. Step 2: Convert to fraction form
    155,959.23/233,897.31 = 43,632.48/x
  3. Step 3: Cross multiply
    155,959.23x = 233,897.31 × 43,632.48
  4. Step 4: Simplify right side
    155,959.23x = 10,205,519,700.63
  5. Step 5: Solve for x
    x = 10,205,519,700.63/155,959.23
  6. Step 6: Final answer
    x = 65,437.10

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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.