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Finding the Fourth Proportional to 176,784.04, 265,176.06 and 145,553.68

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Solution

The fourth proportional to 176,784.04, 265,176.06 and 145,553.68 is: 218,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,784.04 : 265,176.06 = 145,553.68 : x
  2. Step 2: Convert to fraction form
    176,784.04/265,176.06 = 145,553.68/x
  3. Step 3: Cross multiply
    176,784.04x = 265,176.06 × 145,553.68
  4. Step 4: Simplify right side
    176,784.04x = 38,597,351,380.90
  5. Step 5: Solve for x
    x = 38,597,351,380.90/176,784.04
  6. Step 6: Final answer
    x = 218,330.52

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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.