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Finding the Fourth Proportional to 67,554.51, 101,383.68 and 64,085.68

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Solution

The fourth proportional to 67,554.51, 101,383.68 and 64,085.68 is: 96,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,554.51 : 101,383.68 = 64,085.68 : x
  2. Step 2: Convert to fraction form
    67,554.51/101,383.68 = 64,085.68/x
  3. Step 3: Cross multiply
    67,554.51x = 101,383.68 × 64,085.68
  4. Step 4: Simplify right side
    67,554.51x = 6,497,242,073.70
  5. Step 5: Solve for x
    x = 6,497,242,073.70/67,554.51
  6. Step 6: Final answer
    x = 96,177.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.