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Finding the Fourth Proportional to 144,551.20, 216,826.80 and 134,053.60

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Solution

The fourth proportional to 144,551.20, 216,826.80 and 134,053.60 is: 201,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,551.20 : 216,826.80 = 134,053.60 : x
  2. Step 2: Convert to fraction form
    144,551.20/216,826.80 = 134,053.60/x
  3. Step 3: Cross multiply
    144,551.20x = 216,826.80 × 134,053.60
  4. Step 4: Simplify right side
    144,551.20x = 29,066,413,116.48
  5. Step 5: Solve for x
    x = 29,066,413,116.48/144,551.20
  6. Step 6: Final answer
    x = 201,080.40

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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.