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Finding the Fourth Proportional to 160,418.40, 240,627.60 and 146,421.60

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Solution

The fourth proportional to 160,418.40, 240,627.60 and 146,421.60 is: 219,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,418.40 : 240,627.60 = 146,421.60 : x
  2. Step 2: Convert to fraction form
    160,418.40/240,627.60 = 146,421.60/x
  3. Step 3: Cross multiply
    160,418.40x = 240,627.60 × 146,421.60
  4. Step 4: Simplify right side
    160,418.40x = 35,233,078,196.16
  5. Step 5: Solve for x
    x = 35,233,078,196.16/160,418.40
  6. Step 6: Final answer
    x = 219,632.40

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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.