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Finding the Fourth Proportional to 143,148.55, 214,706.41 and 37,975.72

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Solution

The fourth proportional to 143,148.55, 214,706.41 and 37,975.72 is: 56,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,148.55 : 214,706.41 = 37,975.72 : x
  2. Step 2: Convert to fraction form
    143,148.55/214,706.41 = 37,975.72/x
  3. Step 3: Cross multiply
    143,148.55x = 214,706.41 × 37,975.72
  4. Step 4: Simplify right side
    143,148.55x = 8,153,630,508.37
  5. Step 5: Solve for x
    x = 8,153,630,508.37/143,148.55
  6. Step 6: Final answer
    x = 56,959.23

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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.