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Finding the Fourth Proportional to 173,079.51, 238,849.59 and 97,628.01

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Solution

The fourth proportional to 173,079.51, 238,849.59 and 97,628.01 is: 134,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,079.51 : 238,849.59 = 97,628.01 : x
  2. Step 2: Convert to fraction form
    173,079.51/238,849.59 = 97,628.01/x
  3. Step 3: Cross multiply
    173,079.51x = 238,849.59 × 97,628.01
  4. Step 4: Simplify right side
    173,079.51x = 23,318,410,161.02
  5. Step 5: Solve for x
    x = 23,318,410,161.02/173,079.51
  6. Step 6: Final answer
    x = 134,726.58

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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.