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Finding the Fourth Proportional to 76,504.68, 114,801.36 and 32,127.60

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Solution

The fourth proportional to 76,504.68, 114,801.36 and 32,127.60 is: 48,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,504.68 : 114,801.36 = 32,127.60 : x
  2. Step 2: Convert to fraction form
    76,504.68/114,801.36 = 32,127.60/x
  3. Step 3: Cross multiply
    76,504.68x = 114,801.36 × 32,127.60
  4. Step 4: Simplify right side
    76,504.68x = 3,688,292,173.54
  5. Step 5: Solve for x
    x = 3,688,292,173.54/76,504.68
  6. Step 6: Final answer
    x = 48,210.02

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1.5x scale

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.