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Finding the Fourth Proportional to 76,135.60, 114,208.80 and 23,549.32

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Solution

The fourth proportional to 76,135.60, 114,208.80 and 23,549.32 is: 35,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,135.60 : 114,208.80 = 23,549.32 : x
  2. Step 2: Convert to fraction form
    76,135.60/114,208.80 = 23,549.32/x
  3. Step 3: Cross multiply
    76,135.60x = 114,208.80 × 23,549.32
  4. Step 4: Simplify right side
    76,135.60x = 2,689,539,578.02
  5. Step 5: Solve for x
    x = 2,689,539,578.02/76,135.60
  6. Step 6: Final answer
    x = 35,325.65

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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.