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Finding the Fourth Proportional to 88,873.80, 133,368.30 and 51,433.80

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Solution

The fourth proportional to 88,873.80, 133,368.30 and 51,433.80 is: 77,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,873.80 : 133,368.30 = 51,433.80 : x
  2. Step 2: Convert to fraction form
    88,873.80/133,368.30 = 51,433.80/x
  3. Step 3: Cross multiply
    88,873.80x = 133,368.30 × 51,433.80
  4. Step 4: Simplify right side
    88,873.80x = 6,859,638,468.54
  5. Step 5: Solve for x
    x = 6,859,638,468.54/88,873.80
  6. Step 6: Final answer
    x = 77,184.03

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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.