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Finding the Fourth Proportional to 156,483.44, 215,941.32 and 92,783.12

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Solution

The fourth proportional to 156,483.44, 215,941.32 and 92,783.12 is: 128,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,483.44 : 215,941.32 = 92,783.12 : x
  2. Step 2: Convert to fraction form
    156,483.44/215,941.32 = 92,783.12/x
  3. Step 3: Cross multiply
    156,483.44x = 215,941.32 × 92,783.12
  4. Step 4: Simplify right side
    156,483.44x = 20,035,709,406.52
  5. Step 5: Solve for x
    x = 20,035,709,406.52/156,483.44
  6. Step 6: Final answer
    x = 128,037.25

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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.