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Finding the Fourth Proportional to 161,873.92, 223,386.24 and 93,903.76

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Solution

The fourth proportional to 161,873.92, 223,386.24 and 93,903.76 is: 129,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,873.92 : 223,386.24 = 93,903.76 : x
  2. Step 2: Convert to fraction form
    161,873.92/223,386.24 = 93,903.76/x
  3. Step 3: Cross multiply
    161,873.92x = 223,386.24 × 93,903.76
  4. Step 4: Simplify right side
    161,873.92x = 20,976,807,868.26
  5. Step 5: Solve for x
    x = 20,976,807,868.26/161,873.92
  6. Step 6: Final answer
    x = 129,587.32

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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.