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Finding the Fourth Proportional to 108,534.82, 162,671.01 and 55,915.60

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Solution

The fourth proportional to 108,534.82, 162,671.01 and 55,915.60 is: 83,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,534.82 : 162,671.01 = 55,915.60 : x
  2. Step 2: Convert to fraction form
    108,534.82/162,671.01 = 55,915.60/x
  3. Step 3: Cross multiply
    108,534.82x = 162,671.01 × 55,915.60
  4. Step 4: Simplify right side
    108,534.82x = 9,095,847,126.76
  5. Step 5: Solve for x
    x = 9,095,847,126.76/108,534.82
  6. Step 6: Final answer
    x = 83,805.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.