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Finding the Fourth Proportional to 178,097.75, 245,774.90 and 98,609.75

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Solution

The fourth proportional to 178,097.75, 245,774.90 and 98,609.75 is: 136,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,097.75 : 245,774.90 = 98,609.75 : x
  2. Step 2: Convert to fraction form
    178,097.75/245,774.90 = 98,609.75/x
  3. Step 3: Cross multiply
    178,097.75x = 245,774.90 × 98,609.75
  4. Step 4: Simplify right side
    178,097.75x = 24,235,801,445.28
  5. Step 5: Solve for x
    x = 24,235,801,445.28/178,097.75
  6. Step 6: Final answer
    x = 136,081.46

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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.