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Finding the Fourth Proportional to 265,894.38, 366,935.36 and 145,038.24

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Solution

The fourth proportional to 265,894.38, 366,935.36 and 145,038.24 is: 200,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,894.38 : 366,935.36 = 145,038.24 : x
  2. Step 2: Convert to fraction form
    265,894.38/366,935.36 = 145,038.24/x
  3. Step 3: Cross multiply
    265,894.38x = 366,935.36 × 145,038.24
  4. Step 4: Simplify right side
    265,894.38x = 53,219,658,082.98
  5. Step 5: Solve for x
    x = 53,219,658,082.98/265,894.38
  6. Step 6: Final answer
    x = 200,153.38

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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.