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Finding the Fourth Proportional to 173,054.60, 238,832.07 and 105,055.82

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Solution

The fourth proportional to 173,054.60, 238,832.07 and 105,055.82 is: 144,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,054.60 : 238,832.07 = 105,055.82 : x
  2. Step 2: Convert to fraction form
    173,054.60/238,832.07 = 105,055.82/x
  3. Step 3: Cross multiply
    173,054.60x = 238,832.07 × 105,055.82
  4. Step 4: Simplify right side
    173,054.60x = 25,090,698,956.15
  5. Step 5: Solve for x
    x = 25,090,698,956.15/173,054.60
  6. Step 6: Final answer
    x = 144,987.18

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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.