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Finding the Fourth Proportional to 127,950.71, 176,572.22 and 71,365.73

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Solution

The fourth proportional to 127,950.71, 176,572.22 and 71,365.73 is: 98,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,950.71 : 176,572.22 = 71,365.73 : x
  2. Step 2: Convert to fraction form
    127,950.71/176,572.22 = 71,365.73/x
  3. Step 3: Cross multiply
    127,950.71x = 176,572.22 × 71,365.73
  4. Step 4: Simplify right side
    127,950.71x = 12,601,205,021.19
  5. Step 5: Solve for x
    x = 12,601,205,021.19/127,950.71
  6. Step 6: Final answer
    x = 98,484.84

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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.