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Finding the Fourth Proportional to 93,630.20, 129,221.01 and 52,802.10

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Solution

The fourth proportional to 93,630.20, 129,221.01 and 52,802.10 is: 72,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,630.20 : 129,221.01 = 52,802.10 : x
  2. Step 2: Convert to fraction form
    93,630.20/129,221.01 = 52,802.10/x
  3. Step 3: Cross multiply
    93,630.20x = 129,221.01 × 52,802.10
  4. Step 4: Simplify right side
    93,630.20x = 6,823,140,692.12
  5. Step 5: Solve for x
    x = 6,823,140,692.12/93,630.20
  6. Step 6: Final answer
    x = 72,873.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.