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Finding the Fourth Proportional to 163,710.30, 245,565.45 and 52,902.30

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Solution

The fourth proportional to 163,710.30, 245,565.45 and 52,902.30 is: 79,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,710.30 : 245,565.45 = 52,902.30 : x
  2. Step 2: Convert to fraction form
    163,710.30/245,565.45 = 52,902.30/x
  3. Step 3: Cross multiply
    163,710.30x = 245,565.45 × 52,902.30
  4. Step 4: Simplify right side
    163,710.30x = 12,990,977,105.54
  5. Step 5: Solve for x
    x = 12,990,977,105.54/163,710.30
  6. Step 6: Final answer
    x = 79,353.45

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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.