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Finding the Fourth Proportional to 303,041.40, 454,489.20 and 92,681.16

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Solution

The fourth proportional to 303,041.40, 454,489.20 and 92,681.16 is: 138,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,041.40 : 454,489.20 = 92,681.16 : x
  2. Step 2: Convert to fraction form
    303,041.40/454,489.20 = 92,681.16/x
  3. Step 3: Cross multiply
    303,041.40x = 454,489.20 × 92,681.16
  4. Step 4: Simplify right side
    303,041.40x = 42,122,586,263.47
  5. Step 5: Solve for x
    x = 42,122,586,263.47/303,041.40
  6. Step 6: Final answer
    x = 138,999.44

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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.