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Finding the Fourth Proportional to 160,620.40, 240,930.60 and 144,031.60

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Solution

The fourth proportional to 160,620.40, 240,930.60 and 144,031.60 is: 216,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,620.40 : 240,930.60 = 144,031.60 : x
  2. Step 2: Convert to fraction form
    160,620.40/240,930.60 = 144,031.60/x
  3. Step 3: Cross multiply
    160,620.40x = 240,930.60 × 144,031.60
  4. Step 4: Simplify right side
    160,620.40x = 34,701,619,806.96
  5. Step 5: Solve for x
    x = 34,701,619,806.96/160,620.40
  6. Step 6: Final answer
    x = 216,047.40

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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.