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Finding the Fourth Proportional to 242,252.78, 334,312.72 and 134,827.34

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Solution

The fourth proportional to 242,252.78, 334,312.72 and 134,827.34 is: 186,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,252.78 : 334,312.72 = 134,827.34 : x
  2. Step 2: Convert to fraction form
    242,252.78/334,312.72 = 134,827.34/x
  3. Step 3: Cross multiply
    242,252.78x = 334,312.72 × 134,827.34
  4. Step 4: Simplify right side
    242,252.78x = 45,074,492,757.13
  5. Step 5: Solve for x
    x = 45,074,492,757.13/242,252.78
  6. Step 6: Final answer
    x = 186,063.89

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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.