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Finding the Fourth Proportional to 210,963.04, 316,395.33 and 61,163.12

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Solution

The fourth proportional to 210,963.04, 316,395.33 and 61,163.12 is: 91,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,963.04 : 316,395.33 = 61,163.12 : x
  2. Step 2: Convert to fraction form
    210,963.04/316,395.33 = 61,163.12/x
  3. Step 3: Cross multiply
    210,963.04x = 316,395.33 × 61,163.12
  4. Step 4: Simplify right side
    210,963.04x = 19,351,725,536.23
  5. Step 5: Solve for x
    x = 19,351,725,536.23/210,963.04
  6. Step 6: Final answer
    x = 91,730.41

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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.