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Finding the Fourth Proportional to 348,158.25, 522,267.75 and 98,840.25

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Solution

The fourth proportional to 348,158.25, 522,267.75 and 98,840.25 is: 148,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,158.25 : 522,267.75 = 98,840.25 : x
  2. Step 2: Convert to fraction form
    348,158.25/522,267.75 = 98,840.25/x
  3. Step 3: Cross multiply
    348,158.25x = 522,267.75 × 98,840.25
  4. Step 4: Simplify right side
    348,158.25x = 51,621,074,976.94
  5. Step 5: Solve for x
    x = 51,621,074,976.94/348,158.25
  6. Step 6: Final answer
    x = 148,269.00

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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.