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Finding the Fourth Proportional to 59,303.76, 88,999.36 and 47,756.40

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Solution

The fourth proportional to 59,303.76, 88,999.36 and 47,756.40 is: 71,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,303.76 : 88,999.36 = 47,756.40 : x
  2. Step 2: Convert to fraction form
    59,303.76/88,999.36 = 47,756.40/x
  3. Step 3: Cross multiply
    59,303.76x = 88,999.36 × 47,756.40
  4. Step 4: Simplify right side
    59,303.76x = 4,250,289,035.90
  5. Step 5: Solve for x
    x = 4,250,289,035.90/59,303.76
  6. Step 6: Final answer
    x = 71,669.81

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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.