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Finding the Fourth Proportional to 242,467.99, 334,616.19 and 135,038

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Solution

The fourth proportional to 242,467.99, 334,616.19 and 135,038 is: 186,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,467.99 : 334,616.19 = 135,038 : x
  2. Step 2: Convert to fraction form
    242,467.99/334,616.19 = 135,038/x
  3. Step 3: Cross multiply
    242,467.99x = 334,616.19 × 135,038
  4. Step 4: Simplify right side
    242,467.99x = 45,185,901,065.22
  5. Step 5: Solve for x
    x = 45,185,901,065.22/242,467.99
  6. Step 6: Final answer
    x = 186,358.22

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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.