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Finding the Fourth Proportional to 183,168.40, 274,752.60 and 103,124.20

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Solution

The fourth proportional to 183,168.40, 274,752.60 and 103,124.20 is: 154,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,168.40 : 274,752.60 = 103,124.20 : x
  2. Step 2: Convert to fraction form
    183,168.40/274,752.60 = 103,124.20/x
  3. Step 3: Cross multiply
    183,168.40x = 274,752.60 × 103,124.20
  4. Step 4: Simplify right side
    183,168.40x = 28,333,642,072.92
  5. Step 5: Solve for x
    x = 28,333,642,072.92/183,168.40
  6. Step 6: Final answer
    x = 154,686.30

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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.