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Finding the Fourth Proportional to 108,616.80, 162,852.30 and 52,483.80

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Solution

The fourth proportional to 108,616.80, 162,852.30 and 52,483.80 is: 78,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,616.80 : 162,852.30 = 52,483.80 : x
  2. Step 2: Convert to fraction form
    108,616.80/162,852.30 = 52,483.80/x
  3. Step 3: Cross multiply
    108,616.80x = 162,852.30 × 52,483.80
  4. Step 4: Simplify right side
    108,616.80x = 8,547,107,542.74
  5. Step 5: Solve for x
    x = 8,547,107,542.74/108,616.80
  6. Step 6: Final answer
    x = 78,690.47

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1.5x scale

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.