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Finding the Fourth Proportional to 97,482.69, 134,558.82 and 69,139.17

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Solution

The fourth proportional to 97,482.69, 134,558.82 and 69,139.17 is: 95,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,482.69 : 134,558.82 = 69,139.17 : x
  2. Step 2: Convert to fraction form
    97,482.69/134,558.82 = 69,139.17/x
  3. Step 3: Cross multiply
    97,482.69x = 134,558.82 × 69,139.17
  4. Step 4: Simplify right side
    97,482.69x = 9,303,285,130.98
  5. Step 5: Solve for x
    x = 9,303,285,130.98/97,482.69
  6. Step 6: Final answer
    x = 95,435.25

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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.