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Finding the Fourth Proportional to 176,784.29, 265,176.44 and 145,553.93

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Solution

The fourth proportional to 176,784.29, 265,176.44 and 145,553.93 is: 218,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,784.29 : 265,176.44 = 145,553.93 : x
  2. Step 2: Convert to fraction form
    176,784.29/265,176.44 = 145,553.93/x
  3. Step 3: Cross multiply
    176,784.29x = 265,176.44 × 145,553.93
  4. Step 4: Simplify right side
    176,784.29x = 38,597,472,257.64
  5. Step 5: Solve for x
    x = 38,597,472,257.64/176,784.29
  6. Step 6: Final answer
    x = 218,330.90

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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.