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Finding the Fourth Proportional to 264,940.76, 365,613.18 and 145,708.76

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Solution

The fourth proportional to 264,940.76, 365,613.18 and 145,708.76 is: 201,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,940.76 : 365,613.18 = 145,708.76 : x
  2. Step 2: Convert to fraction form
    264,940.76/365,613.18 = 145,708.76/x
  3. Step 3: Cross multiply
    264,940.76x = 365,613.18 × 145,708.76
  4. Step 4: Simplify right side
    264,940.76x = 53,273,043,097.46
  5. Step 5: Solve for x
    x = 53,273,043,097.46/264,940.76
  6. Step 6: Final answer
    x = 201,075.30

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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.