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Finding the Fourth Proportional to 183,225.40, 274,678.10 and 70,982.20

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Solution

The fourth proportional to 183,225.40, 274,678.10 and 70,982.20 is: 106,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,225.40 : 274,678.10 = 70,982.20 : x
  2. Step 2: Convert to fraction form
    183,225.40/274,678.10 = 70,982.20/x
  3. Step 3: Cross multiply
    183,225.40x = 274,678.10 × 70,982.20
  4. Step 4: Simplify right side
    183,225.40x = 19,497,255,829.82
  5. Step 5: Solve for x
    x = 19,497,255,829.82/183,225.40
  6. Step 6: Final answer
    x = 106,411.32

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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.