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Finding the Fourth Proportional to 62,315.52, 93,395.52 and 31,159.68

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Solution

The fourth proportional to 62,315.52, 93,395.52 and 31,159.68 is: 46,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,315.52 : 93,395.52 = 31,159.68 : x
  2. Step 2: Convert to fraction form
    62,315.52/93,395.52 = 31,159.68/x
  3. Step 3: Cross multiply
    62,315.52x = 93,395.52 × 31,159.68
  4. Step 4: Simplify right side
    62,315.52x = 2,910,174,516.63
  5. Step 5: Solve for x
    x = 2,910,174,516.63/62,315.52
  6. Step 6: Final answer
    x = 46,700.64

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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.