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Finding the Fourth Proportional to 101,866.95, 152,814.98 and 31,751.73

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Solution

The fourth proportional to 101,866.95, 152,814.98 and 31,751.73 is: 47,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,866.95 : 152,814.98 = 31,751.73 : x
  2. Step 2: Convert to fraction form
    101,866.95/152,814.98 = 31,751.73/x
  3. Step 3: Cross multiply
    101,866.95x = 152,814.98 × 31,751.73
  4. Step 4: Simplify right side
    101,866.95x = 4,852,140,064.29
  5. Step 5: Solve for x
    x = 4,852,140,064.29/101,866.95
  6. Step 6: Final answer
    x = 47,632.13

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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.