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Finding the Fourth Proportional to 65,475.76, 98,263.08 and 52,484.98

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Solution

The fourth proportional to 65,475.76, 98,263.08 and 52,484.98 is: 78,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,475.76 : 98,263.08 = 52,484.98 : x
  2. Step 2: Convert to fraction form
    65,475.76/98,263.08 = 52,484.98/x
  3. Step 3: Cross multiply
    65,475.76x = 98,263.08 × 52,484.98
  4. Step 4: Simplify right side
    65,475.76x = 5,157,335,788.54
  5. Step 5: Solve for x
    x = 5,157,335,788.54/65,475.76
  6. Step 6: Final answer
    x = 78,767.10

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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.