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Finding the Fourth Proportional to 160,246.32, 240,258.78 and 70,245.90

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Solution

The fourth proportional to 160,246.32, 240,258.78 and 70,245.90 is: 105,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,246.32 : 240,258.78 = 70,245.90 : x
  2. Step 2: Convert to fraction form
    160,246.32/240,258.78 = 70,245.90/x
  3. Step 3: Cross multiply
    160,246.32x = 240,258.78 × 70,245.90
  4. Step 4: Simplify right side
    160,246.32x = 16,877,194,234.00
  5. Step 5: Solve for x
    x = 16,877,194,234.00/160,246.32
  6. Step 6: Final answer
    x = 105,320.32

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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.