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Finding the Fourth Proportional to 282,177.85, 389,379.72 and 167,436.72

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Solution

The fourth proportional to 282,177.85, 389,379.72 and 167,436.72 is: 231,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,177.85 : 389,379.72 = 167,436.72 : x
  2. Step 2: Convert to fraction form
    282,177.85/389,379.72 = 167,436.72/x
  3. Step 3: Cross multiply
    282,177.85x = 389,379.72 × 167,436.72
  4. Step 4: Simplify right side
    282,177.85x = 65,196,462,543.05
  5. Step 5: Solve for x
    x = 65,196,462,543.05/282,177.85
  6. Step 6: Final answer
    x = 231,047.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.