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Finding the Fourth Proportional to 248,000.52, 342,226.20 and 134,822.28

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Solution

The fourth proportional to 248,000.52, 342,226.20 and 134,822.28 is: 186,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,000.52 : 342,226.20 = 134,822.28 : x
  2. Step 2: Convert to fraction form
    248,000.52/342,226.20 = 134,822.28/x
  3. Step 3: Cross multiply
    248,000.52x = 342,226.20 × 134,822.28
  4. Step 4: Simplify right side
    248,000.52x = 46,139,716,559.74
  5. Step 5: Solve for x
    x = 46,139,716,559.74/248,000.52
  6. Step 6: Final answer
    x = 186,046.85

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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.