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Finding the Fourth Proportional to 176,757.18, 265,135.76 and 145,526.82

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Solution

The fourth proportional to 176,757.18, 265,135.76 and 145,526.82 is: 218,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,757.18 : 265,135.76 = 145,526.82 : x
  2. Step 2: Convert to fraction form
    176,757.18/265,135.76 = 145,526.82/x
  3. Step 3: Cross multiply
    176,757.18x = 265,135.76 × 145,526.82
  4. Step 4: Simplify right side
    176,757.18x = 38,584,364,021.08
  5. Step 5: Solve for x
    x = 38,584,364,021.08/176,757.18
  6. Step 6: Final answer
    x = 218,290.22

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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.