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Finding the Fourth Proportional to 237,551.08, 355,830.84 and 142,479.76

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Solution

The fourth proportional to 237,551.08, 355,830.84 and 142,479.76 is: 213,422.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,551.08 : 355,830.84 = 142,479.76 : x
  2. Step 2: Convert to fraction form
    237,551.08/355,830.84 = 142,479.76/x
  3. Step 3: Cross multiply
    237,551.08x = 355,830.84 × 142,479.76
  4. Step 4: Simplify right side
    237,551.08x = 50,698,692,683.80
  5. Step 5: Solve for x
    x = 50,698,692,683.80/237,551.08
  6. Step 6: Final answer
    x = 213,422.28

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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.