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Finding the Fourth Proportional to 98,865.60, 148,227.96 and 46,246.40

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Solution

The fourth proportional to 98,865.60, 148,227.96 and 46,246.40 is: 69,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,865.60 : 148,227.96 = 46,246.40 : x
  2. Step 2: Convert to fraction form
    98,865.60/148,227.96 = 46,246.40/x
  3. Step 3: Cross multiply
    98,865.60x = 148,227.96 × 46,246.40
  4. Step 4: Simplify right side
    98,865.60x = 6,855,009,529.34
  5. Step 5: Solve for x
    x = 6,855,009,529.34/98,865.60
  6. Step 6: Final answer
    x = 69,336.65

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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.