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Finding the Fourth Proportional to 247,015.15, 370,522.86 and 69,522.16

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Solution

The fourth proportional to 247,015.15, 370,522.86 and 69,522.16 is: 104,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,015.15 : 370,522.86 = 69,522.16 : x
  2. Step 2: Convert to fraction form
    247,015.15/370,522.86 = 69,522.16/x
  3. Step 3: Cross multiply
    247,015.15x = 370,522.86 × 69,522.16
  4. Step 4: Simplify right side
    247,015.15x = 25,759,549,208.97
  5. Step 5: Solve for x
    x = 25,759,549,208.97/247,015.15
  6. Step 6: Final answer
    x = 104,283.28

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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.