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Finding the Fourth Proportional to 219,482.36, 329,199.90 and 148,858.36

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Solution

The fourth proportional to 219,482.36, 329,199.90 and 148,858.36 is: 223,271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,482.36 : 329,199.90 = 148,858.36 : x
  2. Step 2: Convert to fraction form
    219,482.36/329,199.90 = 148,858.36/x
  3. Step 3: Cross multiply
    219,482.36x = 329,199.90 × 148,858.36
  4. Step 4: Simplify right side
    219,482.36x = 49,004,155,844.95
  5. Step 5: Solve for x
    x = 49,004,155,844.95/219,482.36
  6. Step 6: Final answer
    x = 223,271.50

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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.