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Finding the Fourth Proportional to 70,446.75, 97,138.26 and 54,277.98

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Solution

The fourth proportional to 70,446.75, 97,138.26 and 54,277.98 is: 74,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,446.75 : 97,138.26 = 54,277.98 : x
  2. Step 2: Convert to fraction form
    70,446.75/97,138.26 = 54,277.98/x
  3. Step 3: Cross multiply
    70,446.75x = 97,138.26 × 54,277.98
  4. Step 4: Simplify right side
    70,446.75x = 5,272,468,533.51
  5. Step 5: Solve for x
    x = 5,272,468,533.51/70,446.75
  6. Step 6: Final answer
    x = 74,843.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.