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Finding the Fourth Proportional to 163,835.52, 245,812.52 and 57,235.28

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Solution

The fourth proportional to 163,835.52, 245,812.52 and 57,235.28 is: 85,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,835.52 : 245,812.52 = 57,235.28 : x
  2. Step 2: Convert to fraction form
    163,835.52/245,812.52 = 57,235.28/x
  3. Step 3: Cross multiply
    163,835.52x = 245,812.52 × 57,235.28
  4. Step 4: Simplify right side
    163,835.52x = 14,069,148,409.71
  5. Step 5: Solve for x
    x = 14,069,148,409.71/163,835.52
  6. Step 6: Final answer
    x = 85,873.62

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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.