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Finding the Fourth Proportional to 203,707.16, 305,117.94 and 124,582.04

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Solution

The fourth proportional to 203,707.16, 305,117.94 and 124,582.04 is: 186,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,707.16 : 305,117.94 = 124,582.04 : x
  2. Step 2: Convert to fraction form
    203,707.16/305,117.94 = 124,582.04/x
  3. Step 3: Cross multiply
    203,707.16x = 305,117.94 × 124,582.04
  4. Step 4: Simplify right side
    203,707.16x = 38,012,215,405.80
  5. Step 5: Solve for x
    x = 38,012,215,405.80/203,707.16
  6. Step 6: Final answer
    x = 186,602.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.