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Finding the Fourth Proportional to 70,162.56, 96,772.80 and 46,307.52

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Solution

The fourth proportional to 70,162.56, 96,772.80 and 46,307.52 is: 63,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,162.56 : 96,772.80 = 46,307.52 : x
  2. Step 2: Convert to fraction form
    70,162.56/96,772.80 = 46,307.52/x
  3. Step 3: Cross multiply
    70,162.56x = 96,772.80 × 46,307.52
  4. Step 4: Simplify right side
    70,162.56x = 4,481,308,371.46
  5. Step 5: Solve for x
    x = 4,481,308,371.46/70,162.56
  6. Step 6: Final answer
    x = 63,870.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.