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Finding the Fourth Proportional to 122,023.40, 183,035.10 and 69,535.40

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Solution

The fourth proportional to 122,023.40, 183,035.10 and 69,535.40 is: 104,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,023.40 : 183,035.10 = 69,535.40 : x
  2. Step 2: Convert to fraction form
    122,023.40/183,035.10 = 69,535.40/x
  3. Step 3: Cross multiply
    122,023.40x = 183,035.10 × 69,535.40
  4. Step 4: Simplify right side
    122,023.40x = 12,727,418,892.54
  5. Step 5: Solve for x
    x = 12,727,418,892.54/122,023.40
  6. Step 6: Final answer
    x = 104,303.10

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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.