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Finding the Fourth Proportional to 294,071.40, 441,107.10 and 83,716.20

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Solution

The fourth proportional to 294,071.40, 441,107.10 and 83,716.20 is: 125,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,071.40 : 441,107.10 = 83,716.20 : x
  2. Step 2: Convert to fraction form
    294,071.40/441,107.10 = 83,716.20/x
  3. Step 3: Cross multiply
    294,071.40x = 441,107.10 × 83,716.20
  4. Step 4: Simplify right side
    294,071.40x = 36,927,810,205.02
  5. Step 5: Solve for x
    x = 36,927,810,205.02/294,071.40
  6. Step 6: Final answer
    x = 125,574.30

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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.