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Finding the Fourth Proportional to 93,900.66, 129,595.32 and 53,605.32

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Solution

The fourth proportional to 93,900.66, 129,595.32 and 53,605.32 is: 73,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,900.66 : 129,595.32 = 53,605.32 : x
  2. Step 2: Convert to fraction form
    93,900.66/129,595.32 = 53,605.32/x
  3. Step 3: Cross multiply
    93,900.66x = 129,595.32 × 53,605.32
  4. Step 4: Simplify right side
    93,900.66x = 6,946,998,599.10
  5. Step 5: Solve for x
    x = 6,946,998,599.10/93,900.66
  6. Step 6: Final answer
    x = 73,982.43

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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.