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Finding the Fourth Proportional to 70,078.94, 96,675.32 and 45,869.26

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Solution

The fourth proportional to 70,078.94, 96,675.32 and 45,869.26 is: 63,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,078.94 : 96,675.32 = 45,869.26 : x
  2. Step 2: Convert to fraction form
    70,078.94/96,675.32 = 45,869.26/x
  3. Step 3: Cross multiply
    70,078.94x = 96,675.32 × 45,869.26
  4. Step 4: Simplify right side
    70,078.94x = 4,434,425,388.66
  5. Step 5: Solve for x
    x = 4,434,425,388.66/70,078.94
  6. Step 6: Final answer
    x = 63,277.58

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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.