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Finding the Fourth Proportional to 98,812.87, 148,219.51 and 46,259.26

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Solution

The fourth proportional to 98,812.87, 148,219.51 and 46,259.26 is: 69,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,812.87 : 148,219.51 = 46,259.26 : x
  2. Step 2: Convert to fraction form
    98,812.87/148,219.51 = 46,259.26/x
  3. Step 3: Cross multiply
    98,812.87x = 148,219.51 × 46,259.26
  4. Step 4: Simplify right side
    98,812.87x = 6,856,524,734.51
  5. Step 5: Solve for x
    x = 6,856,524,734.51/98,812.87
  6. Step 6: Final answer
    x = 69,388.98

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1.5x scale

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.