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Finding the Fourth Proportional to 248,005.56, 342,233.14 and 134,827.32

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Solution

The fourth proportional to 248,005.56, 342,233.14 and 134,827.32 is: 186,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,005.56 : 342,233.14 = 134,827.32 : x
  2. Step 2: Convert to fraction form
    248,005.56/342,233.14 = 134,827.32/x
  3. Step 3: Cross multiply
    248,005.56x = 342,233.14 × 134,827.32
  4. Step 4: Simplify right side
    248,005.56x = 46,142,377,081.38
  5. Step 5: Solve for x
    x = 46,142,377,081.38/248,005.56
  6. Step 6: Final answer
    x = 186,053.80

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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.