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Finding the Fourth Proportional to 223,679.34, 308,577.16 and 151,058.63

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Solution

The fourth proportional to 223,679.34, 308,577.16 and 151,058.63 is: 208,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,679.34 : 308,577.16 = 151,058.63 : x
  2. Step 2: Convert to fraction form
    223,679.34/308,577.16 = 151,058.63/x
  3. Step 3: Cross multiply
    223,679.34x = 308,577.16 × 151,058.63
  4. Step 4: Simplify right side
    223,679.34x = 46,613,243,999.16
  5. Step 5: Solve for x
    x = 46,613,243,999.16/223,679.34
  6. Step 6: Final answer
    x = 208,393.16

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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.