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Finding the Fourth Proportional to 248,384.74, 342,751.40 and 140,954.77

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Solution

The fourth proportional to 248,384.74, 342,751.40 and 140,954.77 is: 194,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,384.74 : 342,751.40 = 140,954.77 : x
  2. Step 2: Convert to fraction form
    248,384.74/342,751.40 = 140,954.77/x
  3. Step 3: Cross multiply
    248,384.74x = 342,751.40 × 140,954.77
  4. Step 4: Simplify right side
    248,384.74x = 48,312,444,754.18
  5. Step 5: Solve for x
    x = 48,312,444,754.18/248,384.74
  6. Step 6: Final answer
    x = 194,506.49

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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.