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Finding the Fourth Proportional to 97,085.84, 133,986.48 and 54,073.58

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Solution

The fourth proportional to 97,085.84, 133,986.48 and 54,073.58 is: 74,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,085.84 : 133,986.48 = 54,073.58 : x
  2. Step 2: Convert to fraction form
    97,085.84/133,986.48 = 54,073.58/x
  3. Step 3: Cross multiply
    97,085.84x = 133,986.48 × 54,073.58
  4. Step 4: Simplify right side
    97,085.84x = 7,245,128,645.20
  5. Step 5: Solve for x
    x = 7,245,128,645.20/97,085.84
  6. Step 6: Final answer
    x = 74,626.01

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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.