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Finding the Fourth Proportional to 59,261.20, 88,762.20 and 46,009.60

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Solution

The fourth proportional to 59,261.20, 88,762.20 and 46,009.60 is: 68,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,261.20 : 88,762.20 = 46,009.60 : x
  2. Step 2: Convert to fraction form
    59,261.20/88,762.20 = 46,009.60/x
  3. Step 3: Cross multiply
    59,261.20x = 88,762.20 × 46,009.60
  4. Step 4: Simplify right side
    59,261.20x = 4,083,913,317.12
  5. Step 5: Solve for x
    x = 4,083,913,317.12/59,261.20
  6. Step 6: Final answer
    x = 68,913.78

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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.