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Finding the Fourth Proportional to 265,112.57, 365,715.92 and 157,606.13

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Solution

The fourth proportional to 265,112.57, 365,715.92 and 157,606.13 is: 217,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,112.57 : 365,715.92 = 157,606.13 : x
  2. Step 2: Convert to fraction form
    265,112.57/365,715.92 = 157,606.13/x
  3. Step 3: Cross multiply
    265,112.57x = 365,715.92 × 157,606.13
  4. Step 4: Simplify right side
    265,112.57x = 57,639,069,396.03
  5. Step 5: Solve for x
    x = 57,639,069,396.03/265,112.57
  6. Step 6: Final answer
    x = 217,413.57

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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.