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Finding the Fourth Proportional to 243,255.63, 364,918.26 and 74,790.10

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Solution

The fourth proportional to 243,255.63, 364,918.26 and 74,790.10 is: 112,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,255.63 : 364,918.26 = 74,790.10 : x
  2. Step 2: Convert to fraction form
    243,255.63/364,918.26 = 74,790.10/x
  3. Step 3: Cross multiply
    243,255.63x = 364,918.26 × 74,790.10
  4. Step 4: Simplify right side
    243,255.63x = 27,292,271,332.63
  5. Step 5: Solve for x
    x = 27,292,271,332.63/243,255.63
  6. Step 6: Final answer
    x = 112,195.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.