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Finding the Fourth Proportional to 167,114.51, 230,647.51 and 99,168.95

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Solution

The fourth proportional to 167,114.51, 230,647.51 and 99,168.95 is: 136,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,114.51 : 230,647.51 = 99,168.95 : x
  2. Step 2: Convert to fraction form
    167,114.51/230,647.51 = 99,168.95/x
  3. Step 3: Cross multiply
    167,114.51x = 230,647.51 × 99,168.95
  4. Step 4: Simplify right side
    167,114.51x = 22,873,071,386.81
  5. Step 5: Solve for x
    x = 22,873,071,386.81/167,114.51
  6. Step 6: Final answer
    x = 136,870.65

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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.