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Finding the Fourth Proportional to 248,352.84, 342,726.66 and 135,175.32

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Solution

The fourth proportional to 248,352.84, 342,726.66 and 135,175.32 is: 186,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,352.84 : 342,726.66 = 135,175.32 : x
  2. Step 2: Convert to fraction form
    248,352.84/342,726.66 = 135,175.32/x
  3. Step 3: Cross multiply
    248,352.84x = 342,726.66 × 135,175.32
  4. Step 4: Simplify right side
    248,352.84x = 46,328,185,938.03
  5. Step 5: Solve for x
    x = 46,328,185,938.03/248,352.84
  6. Step 6: Final answer
    x = 186,541.80

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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.