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Finding the Fourth Proportional to 200,596.15, 300,525.16 and 125,702.34

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Solution

The fourth proportional to 200,596.15, 300,525.16 and 125,702.34 is: 188,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,596.15 : 300,525.16 = 125,702.34 : x
  2. Step 2: Convert to fraction form
    200,596.15/300,525.16 = 125,702.34/x
  3. Step 3: Cross multiply
    200,596.15x = 300,525.16 × 125,702.34
  4. Step 4: Simplify right side
    200,596.15x = 37,776,715,840.87
  5. Step 5: Solve for x
    x = 37,776,715,840.87/200,596.15
  6. Step 6: Final answer
    x = 188,322.24

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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.