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Finding the Fourth Proportional to 163,570.52, 245,355.76 and 52,762.52

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Solution

The fourth proportional to 163,570.52, 245,355.76 and 52,762.52 is: 79,143.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,570.52 : 245,355.76 = 52,762.52 : x
  2. Step 2: Convert to fraction form
    163,570.52/245,355.76 = 52,762.52/x
  3. Step 3: Cross multiply
    163,570.52x = 245,355.76 × 52,762.52
  4. Step 4: Simplify right side
    163,570.52x = 12,945,588,194.12
  5. Step 5: Solve for x
    x = 12,945,588,194.12/163,570.52
  6. Step 6: Final answer
    x = 79,143.77

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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.