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Finding the Fourth Proportional to 70,652.15, 97,475.87 and 43,784.86

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Solution

The fourth proportional to 70,652.15, 97,475.87 and 43,784.86 is: 60,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,652.15 : 97,475.87 = 43,784.86 : x
  2. Step 2: Convert to fraction form
    70,652.15/97,475.87 = 43,784.86/x
  3. Step 3: Cross multiply
    70,652.15x = 97,475.87 × 43,784.86
  4. Step 4: Simplify right side
    70,652.15x = 4,267,966,858.71
  5. Step 5: Solve for x
    x = 4,267,966,858.71/70,652.15
  6. Step 6: Final answer
    x = 60,408.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.