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Finding the Fourth Proportional to 142,884.51, 214,334.87 and 43,058.49

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Solution

The fourth proportional to 142,884.51, 214,334.87 and 43,058.49 is: 64,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,884.51 : 214,334.87 = 43,058.49 : x
  2. Step 2: Convert to fraction form
    142,884.51/214,334.87 = 43,058.49/x
  3. Step 3: Cross multiply
    142,884.51x = 214,334.87 × 43,058.49
  4. Step 4: Simplify right side
    142,884.51x = 9,228,935,641.25
  5. Step 5: Solve for x
    x = 9,228,935,641.25/142,884.51
  6. Step 6: Final answer
    x = 64,590.18

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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.