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Finding the Fourth Proportional to 163,655.40, 245,483.10 and 52,847.40

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Solution

The fourth proportional to 163,655.40, 245,483.10 and 52,847.40 is: 79,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,655.40 : 245,483.10 = 52,847.40 : x
  2. Step 2: Convert to fraction form
    163,655.40/245,483.10 = 52,847.40/x
  3. Step 3: Cross multiply
    163,655.40x = 245,483.10 × 52,847.40
  4. Step 4: Simplify right side
    163,655.40x = 12,973,143,578.94
  5. Step 5: Solve for x
    x = 12,973,143,578.94/163,655.40
  6. Step 6: Final answer
    x = 79,271.10

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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.