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Finding the Fourth Proportional to 69,363.40, 104,045.10 and 48,368.20

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Solution

The fourth proportional to 69,363.40, 104,045.10 and 48,368.20 is: 72,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,363.40 : 104,045.10 = 48,368.20 : x
  2. Step 2: Convert to fraction form
    69,363.40/104,045.10 = 48,368.20/x
  3. Step 3: Cross multiply
    69,363.40x = 104,045.10 × 48,368.20
  4. Step 4: Simplify right side
    69,363.40x = 5,032,474,205.82
  5. Step 5: Solve for x
    x = 5,032,474,205.82/69,363.40
  6. Step 6: Final answer
    x = 72,552.30

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1.5x scale

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.