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Finding the Fourth Proportional to 93,632.64, 129,216.11 and 53,348.10

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Solution

The fourth proportional to 93,632.64, 129,216.11 and 53,348.10 is: 73,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,632.64 : 129,216.11 = 53,348.10 : x
  2. Step 2: Convert to fraction form
    93,632.64/129,216.11 = 53,348.10/x
  3. Step 3: Cross multiply
    93,632.64x = 129,216.11 × 53,348.10
  4. Step 4: Simplify right side
    93,632.64x = 6,893,433,691.15
  5. Step 5: Solve for x
    x = 6,893,433,691.15/93,632.64
  6. Step 6: Final answer
    x = 73,622.12

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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.