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Finding the Fourth Proportional to 98,120.76, 147,125.72 and 34,048.84

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Solution

The fourth proportional to 98,120.76, 147,125.72 and 34,048.84 is: 51,054.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,120.76 : 147,125.72 = 34,048.84 : x
  2. Step 2: Convert to fraction form
    98,120.76/147,125.72 = 34,048.84/x
  3. Step 3: Cross multiply
    98,120.76x = 147,125.72 × 34,048.84
  4. Step 4: Simplify right side
    98,120.76x = 5,009,460,100.16
  5. Step 5: Solve for x
    x = 5,009,460,100.16/98,120.76
  6. Step 6: Final answer
    x = 51,054.03

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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.