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Finding the Fourth Proportional to 158,009.56, 236,966.16 and 83,089.06

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Solution

The fourth proportional to 158,009.56, 236,966.16 and 83,089.06 is: 124,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,009.56 : 236,966.16 = 83,089.06 : x
  2. Step 2: Convert to fraction form
    158,009.56/236,966.16 = 83,089.06/x
  3. Step 3: Cross multiply
    158,009.56x = 236,966.16 × 83,089.06
  4. Step 4: Simplify right side
    158,009.56x = 19,689,295,486.21
  5. Step 5: Solve for x
    x = 19,689,295,486.21/158,009.56
  6. Step 6: Final answer
    x = 124,608.25

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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.