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Finding the Fourth Proportional to 245,873.60, 368,810.40 and 88,107.20

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Solution

The fourth proportional to 245,873.60, 368,810.40 and 88,107.20 is: 132,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,873.60 : 368,810.40 = 88,107.20 : x
  2. Step 2: Convert to fraction form
    245,873.60/368,810.40 = 88,107.20/x
  3. Step 3: Cross multiply
    245,873.60x = 368,810.40 × 88,107.20
  4. Step 4: Simplify right side
    245,873.60x = 32,494,851,674.88
  5. Step 5: Solve for x
    x = 32,494,851,674.88/245,873.60
  6. Step 6: Final answer
    x = 132,160.80

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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.