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Finding the Fourth Proportional to 158,700.96, 238,091.48 and 73,270.68

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Solution

The fourth proportional to 158,700.96, 238,091.48 and 73,270.68 is: 109,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,700.96 : 238,091.48 = 73,270.68 : x
  2. Step 2: Convert to fraction form
    158,700.96/238,091.48 = 73,270.68/x
  3. Step 3: Cross multiply
    158,700.96x = 238,091.48 × 73,270.68
  4. Step 4: Simplify right side
    158,700.96x = 17,445,124,641.81
  5. Step 5: Solve for x
    x = 17,445,124,641.81/158,700.96
  6. Step 6: Final answer
    x = 109,924.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.