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Finding the Fourth Proportional to 98,176.80, 147,296.76 and 48,246.72

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Solution

The fourth proportional to 98,176.80, 147,296.76 and 48,246.72 is: 72,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,176.80 : 147,296.76 = 48,246.72 : x
  2. Step 2: Convert to fraction form
    98,176.80/147,296.76 = 48,246.72/x
  3. Step 3: Cross multiply
    98,176.80x = 147,296.76 × 48,246.72
  4. Step 4: Simplify right side
    98,176.80x = 7,106,585,536.63
  5. Step 5: Solve for x
    x = 7,106,585,536.63/98,176.80
  6. Step 6: Final answer
    x = 72,385.59

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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.