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Finding the Fourth Proportional to 302,707.90, 454,061.85 and 125,560.90

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Solution

The fourth proportional to 302,707.90, 454,061.85 and 125,560.90 is: 188,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,707.90 : 454,061.85 = 125,560.90 : x
  2. Step 2: Convert to fraction form
    302,707.90/454,061.85 = 125,560.90/x
  3. Step 3: Cross multiply
    302,707.90x = 454,061.85 × 125,560.90
  4. Step 4: Simplify right side
    302,707.90x = 57,012,414,541.67
  5. Step 5: Solve for x
    x = 57,012,414,541.67/302,707.90
  6. Step 6: Final answer
    x = 188,341.35

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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.