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Finding the Fourth Proportional to 148,907.30, 223,339.35 and 43,715.30

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Solution

The fourth proportional to 148,907.30, 223,339.35 and 43,715.30 is: 65,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,907.30 : 223,339.35 = 43,715.30 : x
  2. Step 2: Convert to fraction form
    148,907.30/223,339.35 = 43,715.30/x
  3. Step 3: Cross multiply
    148,907.30x = 223,339.35 × 43,715.30
  4. Step 4: Simplify right side
    148,907.30x = 9,763,346,687.06
  5. Step 5: Solve for x
    x = 9,763,346,687.06/148,907.30
  6. Step 6: Final answer
    x = 65,566.61

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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.