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Finding the Fourth Proportional to 163,465.92, 245,147.04 and 52,632

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Solution

The fourth proportional to 163,465.92, 245,147.04 and 52,632 is: 78,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,465.92 : 245,147.04 = 52,632 : x
  2. Step 2: Convert to fraction form
    163,465.92/245,147.04 = 52,632/x
  3. Step 3: Cross multiply
    163,465.92x = 245,147.04 × 52,632
  4. Step 4: Simplify right side
    163,465.92x = 12,902,579,009.28
  5. Step 5: Solve for x
    x = 12,902,579,009.28/163,465.92
  6. Step 6: Final answer
    x = 78,931.31

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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.