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Finding the Fourth Proportional to 70,503.11, 97,307.68 and 41,838.68

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Solution

The fourth proportional to 70,503.11, 97,307.68 and 41,838.68 is: 57,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,503.11 : 97,307.68 = 41,838.68 : x
  2. Step 2: Convert to fraction form
    70,503.11/97,307.68 = 41,838.68/x
  3. Step 3: Cross multiply
    70,503.11x = 97,307.68 × 41,838.68
  4. Step 4: Simplify right side
    70,503.11x = 4,071,224,554.83
  5. Step 5: Solve for x
    x = 4,071,224,554.83/70,503.11
  6. Step 6: Final answer
    x = 57,745.32

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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.