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Finding the Fourth Proportional to 141,043.40, 211,574.70 and 41,203.40

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Solution

The fourth proportional to 141,043.40, 211,574.70 and 41,203.40 is: 61,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,043.40 : 211,574.70 = 41,203.40 : x
  2. Step 2: Convert to fraction form
    141,043.40/211,574.70 = 41,203.40/x
  3. Step 3: Cross multiply
    141,043.40x = 211,574.70 × 41,203.40
  4. Step 4: Simplify right side
    141,043.40x = 8,717,596,993.98
  5. Step 5: Solve for x
    x = 8,717,596,993.98/141,043.40
  6. Step 6: Final answer
    x = 61,807.90

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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.