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Finding the Fourth Proportional to 248,955.50, 343,557.01 and 141,525.53

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Solution

The fourth proportional to 248,955.50, 343,557.01 and 141,525.53 is: 195,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,955.50 : 343,557.01 = 141,525.53 : x
  2. Step 2: Convert to fraction form
    248,955.50/343,557.01 = 141,525.53/x
  3. Step 3: Cross multiply
    248,955.50x = 343,557.01 × 141,525.53
  4. Step 4: Simplify right side
    248,955.50x = 48,622,087,925.47
  5. Step 5: Solve for x
    x = 48,622,087,925.47/248,955.50
  6. Step 6: Final answer
    x = 195,304.33

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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.