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Finding the Fourth Proportional to 158,633.56, 218,921.16 and 94,959.06

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Solution

The fourth proportional to 158,633.56, 218,921.16 and 94,959.06 is: 131,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,633.56 : 218,921.16 = 94,959.06 : x
  2. Step 2: Convert to fraction form
    158,633.56/218,921.16 = 94,959.06/x
  3. Step 3: Cross multiply
    158,633.56x = 218,921.16 × 94,959.06
  4. Step 4: Simplify right side
    158,633.56x = 20,788,547,567.71
  5. Step 5: Solve for x
    x = 20,788,547,567.71/158,633.56
  6. Step 6: Final answer
    x = 131,047.60

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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.