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Finding the Fourth Proportional to 177,475.55, 266,041.08 and 70,828.71

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Solution

The fourth proportional to 177,475.55, 266,041.08 and 70,828.71 is: 106,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,475.55 : 266,041.08 = 70,828.71 : x
  2. Step 2: Convert to fraction form
    177,475.55/266,041.08 = 70,828.71/x
  3. Step 3: Cross multiply
    177,475.55x = 266,041.08 × 70,828.71
  4. Step 4: Simplify right side
    177,475.55x = 18,843,346,503.41
  5. Step 5: Solve for x
    x = 18,843,346,503.41/177,475.55
  6. Step 6: Final answer
    x = 106,174.33

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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.