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Finding the Fourth Proportional to 98,550.84, 147,808.38 and 34,518.40

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Solution

The fourth proportional to 98,550.84, 147,808.38 and 34,518.40 is: 51,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,550.84 : 147,808.38 = 34,518.40 : x
  2. Step 2: Convert to fraction form
    98,550.84/147,808.38 = 34,518.40/x
  3. Step 3: Cross multiply
    98,550.84x = 147,808.38 × 34,518.40
  4. Step 4: Simplify right side
    98,550.84x = 5,102,108,784.19
  5. Step 5: Solve for x
    x = 5,102,108,784.19/98,550.84
  6. Step 6: Final answer
    x = 51,771.34

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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.