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Finding the Fourth Proportional to 164,726.69, 227,328.11 and 91,140.29

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Solution

The fourth proportional to 164,726.69, 227,328.11 and 91,140.29 is: 125,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,726.69 : 227,328.11 = 91,140.29 : x
  2. Step 2: Convert to fraction form
    164,726.69/227,328.11 = 91,140.29/x
  3. Step 3: Cross multiply
    164,726.69x = 227,328.11 × 91,140.29
  4. Step 4: Simplify right side
    164,726.69x = 20,718,748,961.76
  5. Step 5: Solve for x
    x = 20,718,748,961.76/164,726.69
  6. Step 6: Final answer
    x = 125,776.51

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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.