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Finding the Fourth Proportional to 158,659.56, 238,222.62 and 65,347.56

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Solution

The fourth proportional to 158,659.56, 238,222.62 and 65,347.56 is: 98,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,659.56 : 238,222.62 = 65,347.56 : x
  2. Step 2: Convert to fraction form
    158,659.56/238,222.62 = 65,347.56/x
  3. Step 3: Cross multiply
    158,659.56x = 238,222.62 × 65,347.56
  4. Step 4: Simplify right side
    158,659.56x = 15,567,266,953.81
  5. Step 5: Solve for x
    x = 15,567,266,953.81/158,659.56
  6. Step 6: Final answer
    x = 98,117.42

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1.5x scale

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.