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Finding the Fourth Proportional to 185,763.58, 256,353.70 and 105,191.08

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Solution

The fourth proportional to 185,763.58, 256,353.70 and 105,191.08 is: 145,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,763.58 : 256,353.70 = 105,191.08 : x
  2. Step 2: Convert to fraction form
    185,763.58/256,353.70 = 105,191.08/x
  3. Step 3: Cross multiply
    185,763.58x = 256,353.70 × 105,191.08
  4. Step 4: Simplify right side
    185,763.58x = 26,966,122,565.00
  5. Step 5: Solve for x
    x = 26,966,122,565.00/185,763.58
  6. Step 6: Final answer
    x = 145,163.67

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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.