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Finding the Fourth Proportional to 64,871.16, 97,117.08 and 58,645.44

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Solution

The fourth proportional to 64,871.16, 97,117.08 and 58,645.44 is: 87,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,871.16 : 97,117.08 = 58,645.44 : x
  2. Step 2: Convert to fraction form
    64,871.16/97,117.08 = 58,645.44/x
  3. Step 3: Cross multiply
    64,871.16x = 97,117.08 × 58,645.44
  4. Step 4: Simplify right side
    64,871.16x = 5,695,473,888.12
  5. Step 5: Solve for x
    x = 5,695,473,888.12/64,871.16
  6. Step 6: Final answer
    x = 87,796.70

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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.