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Finding the Fourth Proportional to 163,602.96, 245,409.92 and 45,264.40

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Solution

The fourth proportional to 163,602.96, 245,409.92 and 45,264.40 is: 67,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,602.96 : 245,409.92 = 45,264.40 : x
  2. Step 2: Convert to fraction form
    163,602.96/245,409.92 = 45,264.40/x
  3. Step 3: Cross multiply
    163,602.96x = 245,409.92 × 45,264.40
  4. Step 4: Simplify right side
    163,602.96x = 11,108,332,782.85
  5. Step 5: Solve for x
    x = 11,108,332,782.85/163,602.96
  6. Step 6: Final answer
    x = 67,898.12

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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.