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Finding the Fourth Proportional to 93,820.64, 129,472.68 and 50,800.60

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Solution

The fourth proportional to 93,820.64, 129,472.68 and 50,800.60 is: 70,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,820.64 : 129,472.68 = 50,800.60 : x
  2. Step 2: Convert to fraction form
    93,820.64/129,472.68 = 50,800.60/x
  3. Step 3: Cross multiply
    93,820.64x = 129,472.68 × 50,800.60
  4. Step 4: Simplify right side
    93,820.64x = 6,577,289,827.61
  5. Step 5: Solve for x
    x = 6,577,289,827.61/93,820.64
  6. Step 6: Final answer
    x = 70,104.93

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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.