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Finding the Fourth Proportional to 277,080.40, 415,447.26 and 117,073.54

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Solution

The fourth proportional to 277,080.40, 415,447.26 and 117,073.54 is: 175,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,080.40 : 415,447.26 = 117,073.54 : x
  2. Step 2: Convert to fraction form
    277,080.40/415,447.26 = 117,073.54/x
  3. Step 3: Cross multiply
    277,080.40x = 415,447.26 × 117,073.54
  4. Step 4: Simplify right side
    277,080.40x = 48,637,881,411.50
  5. Step 5: Solve for x
    x = 48,637,881,411.50/277,080.40
  6. Step 6: Final answer
    x = 175,537.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.