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Finding the Fourth Proportional to 98,890.32, 148,319.06 and 35,698.32

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Solution

The fourth proportional to 98,890.32, 148,319.06 and 35,698.32 is: 53,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,890.32 : 148,319.06 = 35,698.32 : x
  2. Step 2: Convert to fraction form
    98,890.32/148,319.06 = 35,698.32/x
  3. Step 3: Cross multiply
    98,890.32x = 148,319.06 × 35,698.32
  4. Step 4: Simplify right side
    98,890.32x = 5,294,741,265.98
  5. Step 5: Solve for x
    x = 5,294,741,265.98/98,890.32
  6. Step 6: Final answer
    x = 53,541.55

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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.