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Finding the Fourth Proportional to 211,425.63, 317,185.08 and 61,677.63

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Solution

The fourth proportional to 211,425.63, 317,185.08 and 61,677.63 is: 92,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,425.63 : 317,185.08 = 61,677.63 : x
  2. Step 2: Convert to fraction form
    211,425.63/317,185.08 = 61,677.63/x
  3. Step 3: Cross multiply
    211,425.63x = 317,185.08 × 61,677.63
  4. Step 4: Simplify right side
    211,425.63x = 19,563,224,005.76
  5. Step 5: Solve for x
    x = 19,563,224,005.76/211,425.63
  6. Step 6: Final answer
    x = 92,530.05

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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.