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Finding the Fourth Proportional to 196,281.60, 294,076.80 and 161,030.40

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Solution

The fourth proportional to 196,281.60, 294,076.80 and 161,030.40 is: 241,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,281.60 : 294,076.80 = 161,030.40 : x
  2. Step 2: Convert to fraction form
    196,281.60/294,076.80 = 161,030.40/x
  3. Step 3: Cross multiply
    196,281.60x = 294,076.80 × 161,030.40
  4. Step 4: Simplify right side
    196,281.60x = 47,355,304,734.72
  5. Step 5: Solve for x
    x = 47,355,304,734.72/196,281.60
  6. Step 6: Final answer
    x = 241,262.07

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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.