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Finding the Fourth Proportional to 554,082.95, 831,124.58 and 133,358.82

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Solution

The fourth proportional to 554,082.95, 831,124.58 and 133,358.82 is: 200,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,082.95 : 831,124.58 = 133,358.82 : x
  2. Step 2: Convert to fraction form
    554,082.95/831,124.58 = 133,358.82/x
  3. Step 3: Cross multiply
    554,082.95x = 831,124.58 × 133,358.82
  4. Step 4: Simplify right side
    554,082.95x = 110,837,793,261.80
  5. Step 5: Solve for x
    x = 110,837,793,261.80/554,082.95
  6. Step 6: Final answer
    x = 200,038.27

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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.