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Finding the Fourth Proportional to 181,790.67, 272,698.46 and 61,798.79

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Solution

The fourth proportional to 181,790.67, 272,698.46 and 61,798.79 is: 92,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,790.67 : 272,698.46 = 61,798.79 : x
  2. Step 2: Convert to fraction form
    181,790.67/272,698.46 = 61,798.79/x
  3. Step 3: Cross multiply
    181,790.67x = 272,698.46 × 61,798.79
  4. Step 4: Simplify right side
    181,790.67x = 16,852,435,699.11
  5. Step 5: Solve for x
    x = 16,852,435,699.11/181,790.67
  6. Step 6: Final answer
    x = 92,702.42

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1.5x scale

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.