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Finding the Fourth Proportional to 148,897.94, 223,346.90 and 43,790.72

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Solution

The fourth proportional to 148,897.94, 223,346.90 and 43,790.72 is: 65,686.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,897.94 : 223,346.90 = 43,790.72 : x
  2. Step 2: Convert to fraction form
    148,897.94/223,346.90 = 43,790.72/x
  3. Step 3: Cross multiply
    148,897.94x = 223,346.90 × 43,790.72
  4. Step 4: Simplify right side
    148,897.94x = 9,780,520,225.08
  5. Step 5: Solve for x
    x = 9,780,520,225.08/148,897.94
  6. Step 6: Final answer
    x = 65,686.07

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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.