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Finding the Fourth Proportional to 69,662.08, 96,148.98 and 45,790.97

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Solution

The fourth proportional to 69,662.08, 96,148.98 and 45,790.97 is: 63,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,662.08 : 96,148.98 = 45,790.97 : x
  2. Step 2: Convert to fraction form
    69,662.08/96,148.98 = 45,790.97/x
  3. Step 3: Cross multiply
    69,662.08x = 96,148.98 × 45,790.97
  4. Step 4: Simplify right side
    69,662.08x = 4,402,754,829.76
  5. Step 5: Solve for x
    x = 4,402,754,829.76/69,662.08
  6. Step 6: Final answer
    x = 63,201.60

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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.