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Finding the Fourth Proportional to 245,315.46, 367,751.44 and 87,506.40

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Solution

The fourth proportional to 245,315.46, 367,751.44 and 87,506.40 is: 131,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,315.46 : 367,751.44 = 87,506.40 : x
  2. Step 2: Convert to fraction form
    245,315.46/367,751.44 = 87,506.40/x
  3. Step 3: Cross multiply
    245,315.46x = 367,751.44 × 87,506.40
  4. Step 4: Simplify right side
    245,315.46x = 32,180,604,609.22
  5. Step 5: Solve for x
    x = 32,180,604,609.22/245,315.46
  6. Step 6: Final answer
    x = 131,180.50

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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.