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Finding the Fourth Proportional to 88,037.84, 121,485 and 48,293.84

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Solution

The fourth proportional to 88,037.84, 121,485 and 48,293.84 is: 66,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,037.84 : 121,485 = 48,293.84 : x
  2. Step 2: Convert to fraction form
    88,037.84/121,485 = 48,293.84/x
  3. Step 3: Cross multiply
    88,037.84x = 121,485 × 48,293.84
  4. Step 4: Simplify right side
    88,037.84x = 5,866,977,152.40
  5. Step 5: Solve for x
    x = 5,866,977,152.40/88,037.84
  6. Step 6: Final answer
    x = 66,641.54

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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.