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Finding the Fourth Proportional to 197,063.88, 295,612.11 and 84,746.76

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Solution

The fourth proportional to 197,063.88, 295,612.11 and 84,746.76 is: 127,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,063.88 : 295,612.11 = 84,746.76 : x
  2. Step 2: Convert to fraction form
    197,063.88/295,612.11 = 84,746.76/x
  3. Step 3: Cross multiply
    197,063.88x = 295,612.11 × 84,746.76
  4. Step 4: Simplify right side
    197,063.88x = 25,052,168,539.26
  5. Step 5: Solve for x
    x = 25,052,168,539.26/197,063.88
  6. Step 6: Final answer
    x = 127,127.15

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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.