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Finding the Fourth Proportional to 118,063.53, 162,927.80 and 64,348.59

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Solution

The fourth proportional to 118,063.53, 162,927.80 and 64,348.59 is: 88,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,063.53 : 162,927.80 = 64,348.59 : x
  2. Step 2: Convert to fraction form
    118,063.53/162,927.80 = 64,348.59/x
  3. Step 3: Cross multiply
    118,063.53x = 162,927.80 × 64,348.59
  4. Step 4: Simplify right side
    118,063.53x = 10,484,173,880.06
  5. Step 5: Solve for x
    x = 10,484,173,880.06/118,063.53
  6. Step 6: Final answer
    x = 88,801.12

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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.