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Finding the Fourth Proportional to 202,802.20, 279,904.48 and 130,295.73

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Solution

The fourth proportional to 202,802.20, 279,904.48 and 130,295.73 is: 179,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,802.20 : 279,904.48 = 130,295.73 : x
  2. Step 2: Convert to fraction form
    202,802.20/279,904.48 = 130,295.73/x
  3. Step 3: Cross multiply
    202,802.20x = 279,904.48 × 130,295.73
  4. Step 4: Simplify right side
    202,802.20x = 36,470,358,586.95
  5. Step 5: Solve for x
    x = 36,470,358,586.95/202,802.20
  6. Step 6: Final answer
    x = 179,832.16

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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.