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Finding the Fourth Proportional to 148,775.40, 223,184.70 and 48,940.20

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Solution

The fourth proportional to 148,775.40, 223,184.70 and 48,940.20 is: 73,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,775.40 : 223,184.70 = 48,940.20 : x
  2. Step 2: Convert to fraction form
    148,775.40/223,184.70 = 48,940.20/x
  3. Step 3: Cross multiply
    148,775.40x = 223,184.70 × 48,940.20
  4. Step 4: Simplify right side
    148,775.40x = 10,922,703,854.94
  5. Step 5: Solve for x
    x = 10,922,703,854.94/148,775.40
  6. Step 6: Final answer
    x = 73,417.41

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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.