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Finding the Fourth Proportional to 121,993.12, 182,970.95 and 33,253.74

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Solution

The fourth proportional to 121,993.12, 182,970.95 and 33,253.74 is: 49,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,993.12 : 182,970.95 = 33,253.74 : x
  2. Step 2: Convert to fraction form
    121,993.12/182,970.95 = 33,253.74/x
  3. Step 3: Cross multiply
    121,993.12x = 182,970.95 × 33,253.74
  4. Step 4: Simplify right side
    121,993.12x = 6,084,467,484.00
  5. Step 5: Solve for x
    x = 6,084,467,484.00/121,993.12
  6. Step 6: Final answer
    x = 49,875.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.