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Finding the Fourth Proportional to 118,241.84, 163,172.85 and 64,525.67

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Solution

The fourth proportional to 118,241.84, 163,172.85 and 64,525.67 is: 89,044.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,241.84 : 163,172.85 = 64,525.67 : x
  2. Step 2: Convert to fraction form
    118,241.84/163,172.85 = 64,525.67/x
  3. Step 3: Cross multiply
    118,241.84x = 163,172.85 × 64,525.67
  4. Step 4: Simplify right side
    118,241.84x = 10,528,837,472.06
  5. Step 5: Solve for x
    x = 10,528,837,472.06/118,241.84
  6. Step 6: Final answer
    x = 89,044.94

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1.5x scale

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.