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Finding the Fourth Proportional to 105,372.34, 158,058.68 and 43,042.84

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Solution

The fourth proportional to 105,372.34, 158,058.68 and 43,042.84 is: 64,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,372.34 : 158,058.68 = 43,042.84 : x
  2. Step 2: Convert to fraction form
    105,372.34/158,058.68 = 43,042.84/x
  3. Step 3: Cross multiply
    105,372.34x = 158,058.68 × 43,042.84
  4. Step 4: Simplify right side
    105,372.34x = 6,803,294,473.85
  5. Step 5: Solve for x
    x = 6,803,294,473.85/105,372.34
  6. Step 6: Final answer
    x = 64,564.33

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1.5x scale

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.