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Finding the Fourth Proportional to 174,526.52, 240,861.10 and 102,920.49

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Solution

The fourth proportional to 174,526.52, 240,861.10 and 102,920.49 is: 142,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,526.52 : 240,861.10 = 102,920.49 : x
  2. Step 2: Convert to fraction form
    174,526.52/240,861.10 = 102,920.49/x
  3. Step 3: Cross multiply
    174,526.52x = 240,861.10 × 102,920.49
  4. Step 4: Simplify right side
    174,526.52x = 24,789,543,293.39
  5. Step 5: Solve for x
    x = 24,789,543,293.39/174,526.52
  6. Step 6: Final answer
    x = 142,038.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.