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Finding the Fourth Proportional to 276,077.40, 414,116.10 and 98,602.35

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Solution

The fourth proportional to 276,077.40, 414,116.10 and 98,602.35 is: 147,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,077.40 : 414,116.10 = 98,602.35 : x
  2. Step 2: Convert to fraction form
    276,077.40/414,116.10 = 98,602.35/x
  3. Step 3: Cross multiply
    276,077.40x = 414,116.10 × 98,602.35
  4. Step 4: Simplify right side
    276,077.40x = 40,832,820,632.84
  5. Step 5: Solve for x
    x = 40,832,820,632.84/276,077.40
  6. Step 6: Final answer
    x = 147,903.53

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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.