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Finding the Fourth Proportional to 248,379.40, 372,360.12 and 108,032.32

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Solution

The fourth proportional to 248,379.40, 372,360.12 and 108,032.32 is: 161,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,379.40 : 372,360.12 = 108,032.32 : x
  2. Step 2: Convert to fraction form
    248,379.40/372,360.12 = 108,032.32/x
  3. Step 3: Cross multiply
    248,379.40x = 372,360.12 × 108,032.32
  4. Step 4: Simplify right side
    248,379.40x = 40,226,927,639.08
  5. Step 5: Solve for x
    x = 40,226,927,639.08/248,379.40
  6. Step 6: Final answer
    x = 161,957.58

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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.