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Finding the Fourth Proportional to 98,294.64, 147,426.96 and 35,950.56

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Solution

The fourth proportional to 98,294.64, 147,426.96 and 35,950.56 is: 53,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,294.64 : 147,426.96 = 35,950.56 : x
  2. Step 2: Convert to fraction form
    98,294.64/147,426.96 = 35,950.56/x
  3. Step 3: Cross multiply
    98,294.64x = 147,426.96 × 35,950.56
  4. Step 4: Simplify right side
    98,294.64x = 5,300,081,771.10
  5. Step 5: Solve for x
    x = 5,300,081,771.10/98,294.64
  6. Step 6: Final answer
    x = 53,920.35

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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.