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Finding the Fourth Proportional to 265,881.07, 366,920.20 and 145,022.32

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Solution

The fourth proportional to 265,881.07, 366,920.20 and 145,022.32 is: 200,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,881.07 : 366,920.20 = 145,022.32 : x
  2. Step 2: Convert to fraction form
    265,881.07/366,920.20 = 145,022.32/x
  3. Step 3: Cross multiply
    265,881.07x = 366,920.20 × 145,022.32
  4. Step 4: Simplify right side
    265,881.07x = 53,211,618,658.86
  5. Step 5: Solve for x
    x = 53,211,618,658.86/265,881.07
  6. Step 6: Final answer
    x = 200,133.16

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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.