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Finding the Fourth Proportional to 98,124.80, 147,206.40 and 41,964.80

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Solution

The fourth proportional to 98,124.80, 147,206.40 and 41,964.80 is: 62,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,124.80 : 147,206.40 = 41,964.80 : x
  2. Step 2: Convert to fraction form
    98,124.80/147,206.40 = 41,964.80/x
  3. Step 3: Cross multiply
    98,124.80x = 147,206.40 × 41,964.80
  4. Step 4: Simplify right side
    98,124.80x = 6,177,487,134.72
  5. Step 5: Solve for x
    x = 6,177,487,134.72/98,124.80
  6. Step 6: Final answer
    x = 62,955.41

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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.