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Finding the Fourth Proportional to 72,094.37, 108,141.53 and 52,497.63

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Solution

The fourth proportional to 72,094.37, 108,141.53 and 52,497.63 is: 78,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,094.37 : 108,141.53 = 52,497.63 : x
  2. Step 2: Convert to fraction form
    72,094.37/108,141.53 = 52,497.63/x
  3. Step 3: Cross multiply
    72,094.37x = 108,141.53 × 52,497.63
  4. Step 4: Simplify right side
    72,094.37x = 5,677,173,767.09
  5. Step 5: Solve for x
    x = 5,677,173,767.09/72,094.37
  6. Step 6: Final answer
    x = 78,746.43

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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.