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Finding the Fourth Proportional to 112,490.80, 168,752.40 and 37,614.40

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Solution

The fourth proportional to 112,490.80, 168,752.40 and 37,614.40 is: 56,427.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,490.80 : 168,752.40 = 37,614.40 : x
  2. Step 2: Convert to fraction form
    112,490.80/168,752.40 = 37,614.40/x
  3. Step 3: Cross multiply
    112,490.80x = 168,752.40 × 37,614.40
  4. Step 4: Simplify right side
    112,490.80x = 6,347,520,274.56
  5. Step 5: Solve for x
    x = 6,347,520,274.56/112,490.80
  6. Step 6: Final answer
    x = 56,427.02

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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.