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Finding the Fourth Proportional to 141,004.70, 211,455.85 and 70,860.70

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Solution

The fourth proportional to 141,004.70, 211,455.85 and 70,860.70 is: 106,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,004.70 : 211,455.85 = 70,860.70 : x
  2. Step 2: Convert to fraction form
    141,004.70/211,455.85 = 70,860.70/x
  3. Step 3: Cross multiply
    141,004.70x = 211,455.85 × 70,860.70
  4. Step 4: Simplify right side
    141,004.70x = 14,983,909,550.10
  5. Step 5: Solve for x
    x = 14,983,909,550.10/141,004.70
  6. Step 6: Final answer
    x = 106,265.32

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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.