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Finding the Fourth Proportional to 241,703.78, 362,555.80 and 91,909.50

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Solution

The fourth proportional to 241,703.78, 362,555.80 and 91,909.50 is: 137,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,703.78 : 362,555.80 = 91,909.50 : x
  2. Step 2: Convert to fraction form
    241,703.78/362,555.80 = 91,909.50/x
  3. Step 3: Cross multiply
    241,703.78x = 362,555.80 × 91,909.50
  4. Step 4: Simplify right side
    241,703.78x = 33,322,322,300.10
  5. Step 5: Solve for x
    x = 33,322,322,300.10/241,703.78
  6. Step 6: Final answer
    x = 137,864.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.