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Finding the Fourth Proportional to 248,334.54, 342,663.56 and 139,444.52

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Solution

The fourth proportional to 248,334.54, 342,663.56 and 139,444.52 is: 192,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,334.54 : 342,663.56 = 139,444.52 : x
  2. Step 2: Convert to fraction form
    248,334.54/342,663.56 = 139,444.52/x
  3. Step 3: Cross multiply
    248,334.54x = 342,663.56 × 139,444.52
  4. Step 4: Simplify right side
    248,334.54x = 47,782,553,235.15
  5. Step 5: Solve for x
    x = 47,782,553,235.15/248,334.54
  6. Step 6: Final answer
    x = 192,412.03

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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.