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Finding the Fourth Proportional to 160,216.60, 240,065.70 and 100,946.20

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Solution

The fourth proportional to 160,216.60, 240,065.70 and 100,946.20 is: 151,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,216.60 : 240,065.70 = 100,946.20 : x
  2. Step 2: Convert to fraction form
    160,216.60/240,065.70 = 100,946.20/x
  3. Step 3: Cross multiply
    160,216.60x = 240,065.70 × 100,946.20
  4. Step 4: Simplify right side
    160,216.60x = 24,233,720,165.34
  5. Step 5: Solve for x
    x = 24,233,720,165.34/160,216.60
  6. Step 6: Final answer
    x = 151,255.99

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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.