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Finding the Fourth Proportional to 118,804.75, 178,188.48 and 38,842.16

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Solution

The fourth proportional to 118,804.75, 178,188.48 and 38,842.16 is: 58,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,804.75 : 178,188.48 = 38,842.16 : x
  2. Step 2: Convert to fraction form
    118,804.75/178,188.48 = 38,842.16/x
  3. Step 3: Cross multiply
    118,804.75x = 178,188.48 × 38,842.16
  4. Step 4: Simplify right side
    118,804.75x = 6,921,225,450.32
  5. Step 5: Solve for x
    x = 6,921,225,450.32/118,804.75
  6. Step 6: Final answer
    x = 58,257.14

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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.