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Finding the Fourth Proportional to 70,168.58, 96,718.90 and 54,828.33

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Solution

The fourth proportional to 70,168.58, 96,718.90 and 54,828.33 is: 75,574.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,168.58 : 96,718.90 = 54,828.33 : x
  2. Step 2: Convert to fraction form
    70,168.58/96,718.90 = 54,828.33/x
  3. Step 3: Cross multiply
    70,168.58x = 96,718.90 × 54,828.33
  4. Step 4: Simplify right side
    70,168.58x = 5,302,935,492.30
  5. Step 5: Solve for x
    x = 5,302,935,492.30/70,168.58
  6. Step 6: Final answer
    x = 75,574.22

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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.