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Finding the Fourth Proportional to 174,046.40, 261,069.60 and 103,889.60

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Solution

The fourth proportional to 174,046.40, 261,069.60 and 103,889.60 is: 155,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,046.40 : 261,069.60 = 103,889.60 : x
  2. Step 2: Convert to fraction form
    174,046.40/261,069.60 = 103,889.60/x
  3. Step 3: Cross multiply
    174,046.40x = 261,069.60 × 103,889.60
  4. Step 4: Simplify right side
    174,046.40x = 27,122,416,316.16
  5. Step 5: Solve for x
    x = 27,122,416,316.16/174,046.40
  6. Step 6: Final answer
    x = 155,834.40

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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.