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Finding the Fourth Proportional to 245,022.72, 367,534.08 and 69,918.72

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Solution

The fourth proportional to 245,022.72, 367,534.08 and 69,918.72 is: 104,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,022.72 : 367,534.08 = 69,918.72 : x
  2. Step 2: Convert to fraction form
    245,022.72/367,534.08 = 69,918.72/x
  3. Step 3: Cross multiply
    245,022.72x = 367,534.08 × 69,918.72
  4. Step 4: Simplify right side
    245,022.72x = 25,697,512,429.98
  5. Step 5: Solve for x
    x = 25,697,512,429.98/245,022.72
  6. Step 6: Final answer
    x = 104,878.08

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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.