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Finding the Fourth Proportional to 111,858.24, 167,670.72 and 45,344.28

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Solution

The fourth proportional to 111,858.24, 167,670.72 and 45,344.28 is: 67,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,858.24 : 167,670.72 = 45,344.28 : x
  2. Step 2: Convert to fraction form
    111,858.24/167,670.72 = 45,344.28/x
  3. Step 3: Cross multiply
    111,858.24x = 167,670.72 × 45,344.28
  4. Step 4: Simplify right side
    111,858.24x = 7,602,908,075.48
  5. Step 5: Solve for x
    x = 7,602,908,075.48/111,858.24
  6. Step 6: Final answer
    x = 67,969.14

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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.