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Finding the Fourth Proportional to 70,926.37, 97,918.37 and 47,085.64

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Solution

The fourth proportional to 70,926.37, 97,918.37 and 47,085.64 is: 65,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,926.37 : 97,918.37 = 47,085.64 : x
  2. Step 2: Convert to fraction form
    70,926.37/97,918.37 = 47,085.64/x
  3. Step 3: Cross multiply
    70,926.37x = 97,918.37 × 47,085.64
  4. Step 4: Simplify right side
    70,926.37x = 4,610,549,119.21
  5. Step 5: Solve for x
    x = 4,610,549,119.21/70,926.37
  6. Step 6: Final answer
    x = 65,004.72

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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.