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Finding the Fourth Proportional to 73,229.51, 101,056.88 and 39,695.51

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Solution

The fourth proportional to 73,229.51, 101,056.88 and 39,695.51 is: 54,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,229.51 : 101,056.88 = 39,695.51 : x
  2. Step 2: Convert to fraction form
    73,229.51/101,056.88 = 39,695.51/x
  3. Step 3: Cross multiply
    73,229.51x = 101,056.88 × 39,695.51
  4. Step 4: Simplify right side
    73,229.51x = 4,011,504,390.61
  5. Step 5: Solve for x
    x = 4,011,504,390.61/73,229.51
  6. Step 6: Final answer
    x = 54,779.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.