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Finding the Fourth Proportional to 104,533.40, 156,800.10 and 103,950.20

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Solution

The fourth proportional to 104,533.40, 156,800.10 and 103,950.20 is: 155,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,533.40 : 156,800.10 = 103,950.20 : x
  2. Step 2: Convert to fraction form
    104,533.40/156,800.10 = 103,950.20/x
  3. Step 3: Cross multiply
    104,533.40x = 156,800.10 × 103,950.20
  4. Step 4: Simplify right side
    104,533.40x = 16,299,401,755.02
  5. Step 5: Solve for x
    x = 16,299,401,755.02/104,533.40
  6. Step 6: Final answer
    x = 155,925.30

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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.