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Finding the Fourth Proportional to 69,737.66, 104,547.54 and 30,265.10

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Solution

The fourth proportional to 69,737.66, 104,547.54 and 30,265.10 is: 45,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,737.66 : 104,547.54 = 30,265.10 : x
  2. Step 2: Convert to fraction form
    69,737.66/104,547.54 = 30,265.10/x
  3. Step 3: Cross multiply
    69,737.66x = 104,547.54 × 30,265.10
  4. Step 4: Simplify right side
    69,737.66x = 3,164,141,752.85
  5. Step 5: Solve for x
    x = 3,164,141,752.85/69,737.66
  6. Step 6: Final answer
    x = 45,372.07

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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.