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Finding the Fourth Proportional to 69,783.96, 96,264.48 and 48,526.32

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Solution

The fourth proportional to 69,783.96, 96,264.48 and 48,526.32 is: 66,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783.96 : 96,264.48 = 48,526.32 : x
  2. Step 2: Convert to fraction form
    69,783.96/96,264.48 = 48,526.32/x
  3. Step 3: Cross multiply
    69,783.96x = 96,264.48 × 48,526.32
  4. Step 4: Simplify right side
    69,783.96x = 4,671,360,961.11
  5. Step 5: Solve for x
    x = 4,671,360,961.11/69,783.96
  6. Step 6: Final answer
    x = 66,940.32

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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.