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Finding the Fourth Proportional to 74,752.68, 112,203.84 and 53,717.40

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Solution

The fourth proportional to 74,752.68, 112,203.84 and 53,717.40 is: 80,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,752.68 : 112,203.84 = 53,717.40 : x
  2. Step 2: Convert to fraction form
    74,752.68/112,203.84 = 53,717.40/x
  3. Step 3: Cross multiply
    74,752.68x = 112,203.84 × 53,717.40
  4. Step 4: Simplify right side
    74,752.68x = 6,027,298,554.82
  5. Step 5: Solve for x
    x = 6,027,298,554.82/74,752.68
  6. Step 6: Final answer
    x = 80,629.87

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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.