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Finding the Fourth Proportional to 101,319.37, 151,854.48 and 56,852.71

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Solution

The fourth proportional to 101,319.37, 151,854.48 and 56,852.71 is: 85,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,319.37 : 151,854.48 = 56,852.71 : x
  2. Step 2: Convert to fraction form
    101,319.37/151,854.48 = 56,852.71/x
  3. Step 3: Cross multiply
    101,319.37x = 151,854.48 × 56,852.71
  4. Step 4: Simplify right side
    101,319.37x = 8,633,338,713.64
  5. Step 5: Solve for x
    x = 8,633,338,713.64/101,319.37
  6. Step 6: Final answer
    x = 85,209.16

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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.