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Finding the Fourth Proportional to 97,552, 134,641.28 and 55,111.04

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Solution

The fourth proportional to 97,552, 134,641.28 and 55,111.04 is: 76,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,552 : 134,641.28 = 55,111.04 : x
  2. Step 2: Convert to fraction form
    97,552/134,641.28 = 55,111.04/x
  3. Step 3: Cross multiply
    97,552x = 134,641.28 × 55,111.04
  4. Step 4: Simplify right side
    97,552x = 7,420,220,967.73
  5. Step 5: Solve for x
    x = 7,420,220,967.73/97,552
  6. Step 6: Final answer
    x = 76,064.26

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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.