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Finding the Fourth Proportional to 114,855.84, 158,499.36 and 64,554.48

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Solution

The fourth proportional to 114,855.84, 158,499.36 and 64,554.48 is: 89,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,855.84 : 158,499.36 = 64,554.48 : x
  2. Step 2: Convert to fraction form
    114,855.84/158,499.36 = 64,554.48/x
  3. Step 3: Cross multiply
    114,855.84x = 158,499.36 × 64,554.48
  4. Step 4: Simplify right side
    114,855.84x = 10,231,843,765.13
  5. Step 5: Solve for x
    x = 10,231,843,765.13/114,855.84
  6. Step 6: Final answer
    x = 89,084.23

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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.