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Finding the Fourth Proportional to 160,981.60, 225,840.80 and 160,981.60

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Solution

The fourth proportional to 160,981.60, 225,840.80 and 160,981.60 is: 225,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,981.60 : 225,840.80 = 160,981.60 : x
  2. Step 2: Convert to fraction form
    160,981.60/225,840.80 = 160,981.60/x
  3. Step 3: Cross multiply
    160,981.60x = 225,840.80 × 160,981.60
  4. Step 4: Simplify right side
    160,981.60x = 36,356,213,329.28
  5. Step 5: Solve for x
    x = 36,356,213,329.28/160,981.60
  6. Step 6: Final answer
    x = 225,840.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.