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Finding the Fourth Proportional to 243,516.03, 336,051.12 and 136,086.03

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Solution

The fourth proportional to 243,516.03, 336,051.12 and 136,086.03 is: 187,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,516.03 : 336,051.12 = 136,086.03 : x
  2. Step 2: Convert to fraction form
    243,516.03/336,051.12 = 136,086.03/x
  3. Step 3: Cross multiply
    243,516.03x = 336,051.12 × 136,086.03
  4. Step 4: Simplify right side
    243,516.03x = 45,731,862,797.85
  5. Step 5: Solve for x
    x = 45,731,862,797.85/243,516.03
  6. Step 6: Final answer
    x = 187,798.16

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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.