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Finding the Fourth Proportional to 172,999.93, 259,477.58 and 54,683.23

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Solution

The fourth proportional to 172,999.93, 259,477.58 and 54,683.23 is: 82,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,999.93 : 259,477.58 = 54,683.23 : x
  2. Step 2: Convert to fraction form
    172,999.93/259,477.58 = 54,683.23/x
  3. Step 3: Cross multiply
    172,999.93x = 259,477.58 × 54,683.23
  4. Step 4: Simplify right side
    172,999.93x = 14,189,071,913.57
  5. Step 5: Solve for x
    x = 14,189,071,913.57/172,999.93
  6. Step 6: Final answer
    x = 82,017.79

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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.