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Finding the Fourth Proportional to 173,544.48, 260,316.72 and 90,600.48

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Solution

The fourth proportional to 173,544.48, 260,316.72 and 90,600.48 is: 135,900.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,544.48 : 260,316.72 = 90,600.48 : x
  2. Step 2: Convert to fraction form
    173,544.48/260,316.72 = 90,600.48/x
  3. Step 3: Cross multiply
    173,544.48x = 260,316.72 × 90,600.48
  4. Step 4: Simplify right side
    173,544.48x = 23,584,819,784.03
  5. Step 5: Solve for x
    x = 23,584,819,784.03/173,544.48
  6. Step 6: Final answer
    x = 135,900.72

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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.