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Finding the Fourth Proportional to 161,501.58, 222,869.19 and 89,880.97

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Solution

The fourth proportional to 161,501.58, 222,869.19 and 89,880.97 is: 124,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,501.58 : 222,869.19 = 89,880.97 : x
  2. Step 2: Convert to fraction form
    161,501.58/222,869.19 = 89,880.97/x
  3. Step 3: Cross multiply
    161,501.58x = 222,869.19 × 89,880.97
  4. Step 4: Simplify right side
    161,501.58x = 20,031,698,980.31
  5. Step 5: Solve for x
    x = 20,031,698,980.31/161,501.58
  6. Step 6: Final answer
    x = 124,034.07

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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.