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Finding the Fourth Proportional to 103,973.59, 156,029.60 and 56,600.64

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Solution

The fourth proportional to 103,973.59, 156,029.60 and 56,600.64 is: 84,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,973.59 : 156,029.60 = 56,600.64 : x
  2. Step 2: Convert to fraction form
    103,973.59/156,029.60 = 56,600.64/x
  3. Step 3: Cross multiply
    103,973.59x = 156,029.60 × 56,600.64
  4. Step 4: Simplify right side
    103,973.59x = 8,831,375,218.94
  5. Step 5: Solve for x
    x = 8,831,375,218.94/103,973.59
  6. Step 6: Final answer
    x = 84,938.64

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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.