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Finding the Fourth Proportional to 184,521.78, 254,658.87 and 112,949.10

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Solution

The fourth proportional to 184,521.78, 254,658.87 and 112,949.10 is: 155,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,521.78 : 254,658.87 = 112,949.10 : x
  2. Step 2: Convert to fraction form
    184,521.78/254,658.87 = 112,949.10/x
  3. Step 3: Cross multiply
    184,521.78x = 254,658.87 × 112,949.10
  4. Step 4: Simplify right side
    184,521.78x = 28,763,490,173.52
  5. Step 5: Solve for x
    x = 28,763,490,173.52/184,521.78
  6. Step 6: Final answer
    x = 155,881.27

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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.