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Finding the Fourth Proportional to 165,809.60, 248,568.60 and 99,276.20

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Solution

The fourth proportional to 165,809.60, 248,568.60 and 99,276.20 is: 148,827.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,809.60 : 248,568.60 = 99,276.20 : x
  2. Step 2: Convert to fraction form
    165,809.60/248,568.60 = 99,276.20/x
  3. Step 3: Cross multiply
    165,809.60x = 248,568.60 × 99,276.20
  4. Step 4: Simplify right side
    165,809.60x = 24,676,946,047.32
  5. Step 5: Solve for x
    x = 24,676,946,047.32/165,809.60
  6. Step 6: Final answer
    x = 148,827.00

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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.