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Finding the Fourth Proportional to 97,328, 134,312.96 and 52,616.32

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Solution

The fourth proportional to 97,328, 134,312.96 and 52,616.32 is: 72,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,328 : 134,312.96 = 52,616.32 : x
  2. Step 2: Convert to fraction form
    97,328/134,312.96 = 52,616.32/x
  3. Step 3: Cross multiply
    97,328x = 134,312.96 × 52,616.32
  4. Step 4: Simplify right side
    97,328x = 7,067,053,683.51
  5. Step 5: Solve for x
    x = 7,067,053,683.51/97,328
  6. Step 6: Final answer
    x = 72,610.69

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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.