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Finding the Fourth Proportional to 211,713.99, 292,164.06 and 114,919.77

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Solution

The fourth proportional to 211,713.99, 292,164.06 and 114,919.77 is: 158,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,713.99 : 292,164.06 = 114,919.77 : x
  2. Step 2: Convert to fraction form
    211,713.99/292,164.06 = 114,919.77/x
  3. Step 3: Cross multiply
    211,713.99x = 292,164.06 × 114,919.77
  4. Step 4: Simplify right side
    211,713.99x = 33,575,426,577.47
  5. Step 5: Solve for x
    x = 33,575,426,577.47/211,713.99
  6. Step 6: Final answer
    x = 158,588.61

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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.