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Finding the Fourth Proportional to 193,121.60, 261,543.60 and 193,121.60

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Solution

The fourth proportional to 193,121.60, 261,543.60 and 193,121.60 is: 261,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,121.60 : 261,543.60 = 193,121.60 : x
  2. Step 2: Convert to fraction form
    193,121.60/261,543.60 = 193,121.60/x
  3. Step 3: Cross multiply
    193,121.60x = 261,543.60 × 193,121.60
  4. Step 4: Simplify right side
    193,121.60x = 50,509,718,501.76
  5. Step 5: Solve for x
    x = 50,509,718,501.76/193,121.60
  6. Step 6: Final answer
    x = 261,543.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.