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Finding the Fourth Proportional to 210,616.68, 316,205.28 and 110,846.94

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Solution

The fourth proportional to 210,616.68, 316,205.28 and 110,846.94 is: 166,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,616.68 : 316,205.28 = 110,846.94 : x
  2. Step 2: Convert to fraction form
    210,616.68/316,205.28 = 110,846.94/x
  3. Step 3: Cross multiply
    210,616.68x = 316,205.28 × 110,846.94
  4. Step 4: Simplify right side
    210,616.68x = 35,050,387,699.84
  5. Step 5: Solve for x
    x = 35,050,387,699.84/210,616.68
  6. Step 6: Final answer
    x = 166,417.91

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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.