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Finding the Fourth Proportional to 176,784.54, 265,176.81 and 145,554.18

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Solution

The fourth proportional to 176,784.54, 265,176.81 and 145,554.18 is: 218,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,784.54 : 265,176.81 = 145,554.18 : x
  2. Step 2: Convert to fraction form
    176,784.54/265,176.81 = 145,554.18/x
  3. Step 3: Cross multiply
    176,784.54x = 265,176.81 × 145,554.18
  4. Step 4: Simplify right side
    176,784.54x = 38,597,593,134.57
  5. Step 5: Solve for x
    x = 38,597,593,134.57/176,784.54
  6. Step 6: Final answer
    x = 218,331.27

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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.