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Finding the Fourth Proportional to 100,363.40, 150,545.10 and 63,038.60

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Solution

The fourth proportional to 100,363.40, 150,545.10 and 63,038.60 is: 94,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,363.40 : 150,545.10 = 63,038.60 : x
  2. Step 2: Convert to fraction form
    100,363.40/150,545.10 = 63,038.60/x
  3. Step 3: Cross multiply
    100,363.40x = 150,545.10 × 63,038.60
  4. Step 4: Simplify right side
    100,363.40x = 9,490,152,340.86
  5. Step 5: Solve for x
    x = 9,490,152,340.86/100,363.40
  6. Step 6: Final answer
    x = 94,557.90

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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.