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Finding the Fourth Proportional to 115,548.78, 173,332.98 and 32,442.78

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Solution

The fourth proportional to 115,548.78, 173,332.98 and 32,442.78 is: 48,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,548.78 : 173,332.98 = 32,442.78 : x
  2. Step 2: Convert to fraction form
    115,548.78/173,332.98 = 32,442.78/x
  3. Step 3: Cross multiply
    115,548.78x = 173,332.98 × 32,442.78
  4. Step 4: Simplify right side
    115,548.78x = 5,623,403,736.88
  5. Step 5: Solve for x
    x = 5,623,403,736.88/115,548.78
  6. Step 6: Final answer
    x = 48,666.92

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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.