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Finding the Fourth Proportional to 70,105.66, 104,653.52 and 65,123.44

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Solution

The fourth proportional to 70,105.66, 104,653.52 and 65,123.44 is: 97,216.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,105.66 : 104,653.52 = 65,123.44 : x
  2. Step 2: Convert to fraction form
    70,105.66/104,653.52 = 65,123.44/x
  3. Step 3: Cross multiply
    70,105.66x = 104,653.52 × 65,123.44
  4. Step 4: Simplify right side
    70,105.66x = 6,815,397,230.51
  5. Step 5: Solve for x
    x = 6,815,397,230.51/70,105.66
  6. Step 6: Final answer
    x = 97,216.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.