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Finding the Fourth Proportional to 98,323.88, 147,509.51 and 28,202.58

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Solution

The fourth proportional to 98,323.88, 147,509.51 and 28,202.58 is: 42,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,323.88 : 147,509.51 = 28,202.58 : x
  2. Step 2: Convert to fraction form
    98,323.88/147,509.51 = 28,202.58/x
  3. Step 3: Cross multiply
    98,323.88x = 147,509.51 × 28,202.58
  4. Step 4: Simplify right side
    98,323.88x = 4,160,148,615.52
  5. Step 5: Solve for x
    x = 4,160,148,615.52/98,323.88
  6. Step 6: Final answer
    x = 42,310.67

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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.