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Finding the Fourth Proportional to 237,903.58, 328,283.97 and 142,408.22

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Solution

The fourth proportional to 237,903.58, 328,283.97 and 142,408.22 is: 196,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,903.58 : 328,283.97 = 142,408.22 : x
  2. Step 2: Convert to fraction form
    237,903.58/328,283.97 = 142,408.22/x
  3. Step 3: Cross multiply
    237,903.58x = 328,283.97 × 142,408.22
  4. Step 4: Simplify right side
    237,903.58x = 46,750,335,822.23
  5. Step 5: Solve for x
    x = 46,750,335,822.23/237,903.58
  6. Step 6: Final answer
    x = 196,509.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.