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Finding the Fourth Proportional to 111,369.60, 167,054.40 and 97,810.20

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Solution

The fourth proportional to 111,369.60, 167,054.40 and 97,810.20 is: 146,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,369.60 : 167,054.40 = 97,810.20 : x
  2. Step 2: Convert to fraction form
    111,369.60/167,054.40 = 97,810.20/x
  3. Step 3: Cross multiply
    111,369.60x = 167,054.40 × 97,810.20
  4. Step 4: Simplify right side
    111,369.60x = 16,339,624,274.88
  5. Step 5: Solve for x
    x = 16,339,624,274.88/111,369.60
  6. Step 6: Final answer
    x = 146,715.30

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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.