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Finding the Fourth Proportional to 211,307.00, 317,012.13 and 61,544.88

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Solution

The fourth proportional to 211,307.00, 317,012.13 and 61,544.88 is: 92,332.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,307.00 : 317,012.13 = 61,544.88 : x
  2. Step 2: Convert to fraction form
    211,307.00/317,012.13 = 61,544.88/x
  3. Step 3: Cross multiply
    211,307.00x = 317,012.13 × 61,544.88
  4. Step 4: Simplify right side
    211,307.00x = 19,510,473,499.39
  5. Step 5: Solve for x
    x = 19,510,473,499.39/211,307.00
  6. Step 6: Final answer
    x = 92,332.36

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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.