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Finding the Fourth Proportional to 192,058.83, 265,154.72 and 138,482.19

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Solution

The fourth proportional to 192,058.83, 265,154.72 and 138,482.19 is: 191,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,058.83 : 265,154.72 = 138,482.19 : x
  2. Step 2: Convert to fraction form
    192,058.83/265,154.72 = 138,482.19/x
  3. Step 3: Cross multiply
    192,058.83x = 265,154.72 × 138,482.19
  4. Step 4: Simplify right side
    192,058.83x = 36,719,205,622.03
  5. Step 5: Solve for x
    x = 36,719,205,622.03/192,058.83
  6. Step 6: Final answer
    x = 191,187.28

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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.