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Finding the Fourth Proportional to 163,950.20, 245,925.30 and 162,913.40

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Solution

The fourth proportional to 163,950.20, 245,925.30 and 162,913.40 is: 244,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,950.20 : 245,925.30 = 162,913.40 : x
  2. Step 2: Convert to fraction form
    163,950.20/245,925.30 = 162,913.40/x
  3. Step 3: Cross multiply
    163,950.20x = 245,925.30 × 162,913.40
  4. Step 4: Simplify right side
    163,950.20x = 40,064,526,769.02
  5. Step 5: Solve for x
    x = 40,064,526,769.02/163,950.20
  6. Step 6: Final answer
    x = 244,370.10

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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.