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Finding the Fourth Proportional to 265,541.34, 366,279.60 and 158,031.12

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Solution

The fourth proportional to 265,541.34, 366,279.60 and 158,031.12 is: 217,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,541.34 : 366,279.60 = 158,031.12 : x
  2. Step 2: Convert to fraction form
    265,541.34/366,279.60 = 158,031.12/x
  3. Step 3: Cross multiply
    265,541.34x = 366,279.60 × 158,031.12
  4. Step 4: Simplify right side
    265,541.34x = 57,883,575,421.15
  5. Step 5: Solve for x
    x = 57,883,575,421.15/265,541.34
  6. Step 6: Final answer
    x = 217,983.29

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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.