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Finding the Fourth Proportional to 245,106.80, 367,271.40 and 161,903.60

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Solution

The fourth proportional to 245,106.80, 367,271.40 and 161,903.60 is: 242,598.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,106.80 : 367,271.40 = 161,903.60 : x
  2. Step 2: Convert to fraction form
    245,106.80/367,271.40 = 161,903.60/x
  3. Step 3: Cross multiply
    245,106.80x = 367,271.40 × 161,903.60
  4. Step 4: Simplify right side
    245,106.80x = 59,462,561,837.04
  5. Step 5: Solve for x
    x = 59,462,561,837.04/245,106.80
  6. Step 6: Final answer
    x = 242,598.58

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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.