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Finding the Fourth Proportional to 276,063.60, 414,095.40 and 98,655.60

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Solution

The fourth proportional to 276,063.60, 414,095.40 and 98,655.60 is: 147,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,063.60 : 414,095.40 = 98,655.60 : x
  2. Step 2: Convert to fraction form
    276,063.60/414,095.40 = 98,655.60/x
  3. Step 3: Cross multiply
    276,063.60x = 414,095.40 × 98,655.60
  4. Step 4: Simplify right side
    276,063.60x = 40,852,830,144.24
  5. Step 5: Solve for x
    x = 40,852,830,144.24/276,063.60
  6. Step 6: Final answer
    x = 147,983.40

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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.