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Finding the Fourth Proportional to 243,495.44, 336,017.46 and 136,066.36

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Solution

The fourth proportional to 243,495.44, 336,017.46 and 136,066.36 is: 187,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,495.44 : 336,017.46 = 136,066.36 : x
  2. Step 2: Convert to fraction form
    243,495.44/336,017.46 = 136,066.36/x
  3. Step 3: Cross multiply
    243,495.44x = 336,017.46 × 136,066.36
  4. Step 4: Simplify right side
    243,495.44x = 45,720,672,678.65
  5. Step 5: Solve for x
    x = 45,720,672,678.65/243,495.44
  6. Step 6: Final answer
    x = 187,768.09

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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.