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Finding the Fourth Proportional to 118,524.84, 163,564.44 and 64,810.08

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Solution

The fourth proportional to 118,524.84, 163,564.44 and 64,810.08 is: 89,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,524.84 : 163,564.44 = 64,810.08 : x
  2. Step 2: Convert to fraction form
    118,524.84/163,564.44 = 64,810.08/x
  3. Step 3: Cross multiply
    118,524.84x = 163,564.44 × 64,810.08
  4. Step 4: Simplify right side
    118,524.84x = 10,600,624,441.56
  5. Step 5: Solve for x
    x = 10,600,624,441.56/118,524.84
  6. Step 6: Final answer
    x = 89,438.00

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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.