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Finding the Fourth Proportional to 248,525.80, 342,995.94 and 141,129.64

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Solution

The fourth proportional to 248,525.80, 342,995.94 and 141,129.64 is: 194,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,525.80 : 342,995.94 = 141,129.64 : x
  2. Step 2: Convert to fraction form
    248,525.80/342,995.94 = 141,129.64/x
  3. Step 3: Cross multiply
    248,525.80x = 342,995.94 × 141,129.64
  4. Step 4: Simplify right side
    248,525.80x = 48,406,893,533.66
  5. Step 5: Solve for x
    x = 48,406,893,533.66/248,525.80
  6. Step 6: Final answer
    x = 194,776.13

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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.