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Finding the Fourth Proportional to 148,950.10, 223,425.15 and 147,913.30

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Solution

The fourth proportional to 148,950.10, 223,425.15 and 147,913.30 is: 221,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,950.10 : 223,425.15 = 147,913.30 : x
  2. Step 2: Convert to fraction form
    148,950.10/223,425.15 = 147,913.30/x
  3. Step 3: Cross multiply
    148,950.10x = 223,425.15 × 147,913.30
  4. Step 4: Simplify right side
    148,950.10x = 33,047,551,239.50
  5. Step 5: Solve for x
    x = 33,047,551,239.50/148,950.10
  6. Step 6: Final answer
    x = 221,869.95

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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.