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Finding the Fourth Proportional to 174,487.40, 261,212.70 and 104,330.60

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Solution

The fourth proportional to 174,487.40, 261,212.70 and 104,330.60 is: 156,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,487.40 : 261,212.70 = 104,330.60 : x
  2. Step 2: Convert to fraction form
    174,487.40/261,212.70 = 104,330.60/x
  3. Step 3: Cross multiply
    174,487.40x = 261,212.70 × 104,330.60
  4. Step 4: Simplify right side
    174,487.40x = 27,252,477,718.62
  5. Step 5: Solve for x
    x = 27,252,477,718.62/174,487.40
  6. Step 6: Final answer
    x = 156,185.94

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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.