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Finding the Fourth Proportional to 171,768.72, 237,130.08 and 133,442.76

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Solution

The fourth proportional to 171,768.72, 237,130.08 and 133,442.76 is: 184,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,768.72 : 237,130.08 = 133,442.76 : x
  2. Step 2: Convert to fraction form
    171,768.72/237,130.08 = 133,442.76/x
  3. Step 3: Cross multiply
    171,768.72x = 237,130.08 × 133,442.76
  4. Step 4: Simplify right side
    171,768.72x = 31,643,292,354.22
  5. Step 5: Solve for x
    x = 31,643,292,354.22/171,768.72
  6. Step 6: Final answer
    x = 184,220.34

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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.