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Finding the Fourth Proportional to 101,695.45, 152,541.54 and 31,574.83

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Solution

The fourth proportional to 101,695.45, 152,541.54 and 31,574.83 is: 47,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,695.45 : 152,541.54 = 31,574.83 : x
  2. Step 2: Convert to fraction form
    101,695.45/152,541.54 = 31,574.83/x
  3. Step 3: Cross multiply
    101,695.45x = 152,541.54 × 31,574.83
  4. Step 4: Simplify right side
    101,695.45x = 4,816,473,193.44
  5. Step 5: Solve for x
    x = 4,816,473,193.44/101,695.45
  6. Step 6: Final answer
    x = 47,361.74

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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.