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Finding the Fourth Proportional to 98,858.62, 148,217.32 and 46,239.40

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Solution

The fourth proportional to 98,858.62, 148,217.32 and 46,239.40 is: 69,326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,858.62 : 148,217.32 = 46,239.40 : x
  2. Step 2: Convert to fraction form
    98,858.62/148,217.32 = 46,239.40/x
  3. Step 3: Cross multiply
    98,858.62x = 148,217.32 × 46,239.40
  4. Step 4: Simplify right side
    98,858.62x = 6,853,479,946.41
  5. Step 5: Solve for x
    x = 6,853,479,946.41/98,858.62
  6. Step 6: Final answer
    x = 69,326.07

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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.