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Finding the Fourth Proportional to 97,554.84, 134,541.42 and 63,550.50

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Solution

The fourth proportional to 97,554.84, 134,541.42 and 63,550.50 is: 87,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,554.84 : 134,541.42 = 63,550.50 : x
  2. Step 2: Convert to fraction form
    97,554.84/134,541.42 = 63,550.50/x
  3. Step 3: Cross multiply
    97,554.84x = 134,541.42 × 63,550.50
  4. Step 4: Simplify right side
    97,554.84x = 8,550,174,511.71
  5. Step 5: Solve for x
    x = 8,550,174,511.71/97,554.84
  6. Step 6: Final answer
    x = 87,644.80

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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.