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Finding the Fourth Proportional to 130,095.56, 195,143.82 and 31,599.56

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Solution

The fourth proportional to 130,095.56, 195,143.82 and 31,599.56 is: 47,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,095.56 : 195,143.82 = 31,599.56 : x
  2. Step 2: Convert to fraction form
    130,095.56/195,143.82 = 31,599.56/x
  3. Step 3: Cross multiply
    130,095.56x = 195,143.82 × 31,599.56
  4. Step 4: Simplify right side
    130,095.56x = 6,166,458,848.72
  5. Step 5: Solve for x
    x = 6,166,458,848.72/130,095.56
  6. Step 6: Final answer
    x = 47,399.46

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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.