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Finding the Fourth Proportional to 155,655.70, 233,109.33 and 88,893.46

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Solution

The fourth proportional to 155,655.70, 233,109.33 and 88,893.46 is: 133,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,655.70 : 233,109.33 = 88,893.46 : x
  2. Step 2: Convert to fraction form
    155,655.70/233,109.33 = 88,893.46/x
  3. Step 3: Cross multiply
    155,655.70x = 233,109.33 × 88,893.46
  4. Step 4: Simplify right side
    155,655.70x = 20,721,894,901.98
  5. Step 5: Solve for x
    x = 20,721,894,901.98/155,655.70
  6. Step 6: Final answer
    x = 133,126.48

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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.