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Finding the Fourth Proportional to 243,126.94, 335,113.62 and 162,525.06

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Solution

The fourth proportional to 243,126.94, 335,113.62 and 162,525.06 is: 224,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,126.94 : 335,113.62 = 162,525.06 : x
  2. Step 2: Convert to fraction form
    243,126.94/335,113.62 = 162,525.06/x
  3. Step 3: Cross multiply
    243,126.94x = 335,113.62 × 162,525.06
  4. Step 4: Simplify right side
    243,126.94x = 54,464,358,709.12
  5. Step 5: Solve for x
    x = 54,464,358,709.12/243,126.94
  6. Step 6: Final answer
    x = 224,016.14

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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.