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Finding the Fourth Proportional to 235,355.50, 353,188.80 and 110,706.22

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Solution

The fourth proportional to 235,355.50, 353,188.80 and 110,706.22 is: 166,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,355.50 : 353,188.80 = 110,706.22 : x
  2. Step 2: Convert to fraction form
    235,355.50/353,188.80 = 110,706.22/x
  3. Step 3: Cross multiply
    235,355.50x = 353,188.80 × 110,706.22
  4. Step 4: Simplify right side
    235,355.50x = 39,100,196,994.34
  5. Step 5: Solve for x
    x = 39,100,196,994.34/235,355.50
  6. Step 6: Final answer
    x = 166,132.50

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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.