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Finding the Fourth Proportional to 193,153, 266,552.10 and 112,636.36

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Solution

The fourth proportional to 193,153, 266,552.10 and 112,636.36 is: 155,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,153 : 266,552.10 = 112,636.36 : x
  2. Step 2: Convert to fraction form
    193,153/266,552.10 = 112,636.36/x
  3. Step 3: Cross multiply
    193,153x = 266,552.10 × 112,636.36
  4. Step 4: Simplify right side
    193,153x = 30,023,458,294.36
  5. Step 5: Solve for x
    x = 30,023,458,294.36/193,153
  6. Step 6: Final answer
    x = 155,438.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.