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Finding the Fourth Proportional to 88,276.80, 132,303.60 and 35,656.80

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Solution

The fourth proportional to 88,276.80, 132,303.60 and 35,656.80 is: 53,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,276.80 : 132,303.60 = 35,656.80 : x
  2. Step 2: Convert to fraction form
    88,276.80/132,303.60 = 35,656.80/x
  3. Step 3: Cross multiply
    88,276.80x = 132,303.60 × 35,656.80
  4. Step 4: Simplify right side
    88,276.80x = 4,717,523,004.48
  5. Step 5: Solve for x
    x = 4,717,523,004.48/88,276.80
  6. Step 6: Final answer
    x = 53,440.12

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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.