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Finding the Fourth Proportional to 196,482.50, 294,477.30 and 84,030.70

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Solution

The fourth proportional to 196,482.50, 294,477.30 and 84,030.70 is: 125,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,482.50 : 294,477.30 = 84,030.70 : x
  2. Step 2: Convert to fraction form
    196,482.50/294,477.30 = 84,030.70/x
  3. Step 3: Cross multiply
    196,482.50x = 294,477.30 × 84,030.70
  4. Step 4: Simplify right side
    196,482.50x = 24,745,133,653.11
  5. Step 5: Solve for x
    x = 24,745,133,653.11/196,482.50
  6. Step 6: Final answer
    x = 125,940.65

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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.