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Finding the Fourth Proportional to 146,484.54, 219,715.65 and 46,647.90

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Solution

The fourth proportional to 146,484.54, 219,715.65 and 46,647.90 is: 69,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,484.54 : 219,715.65 = 46,647.90 : x
  2. Step 2: Convert to fraction form
    146,484.54/219,715.65 = 46,647.90/x
  3. Step 3: Cross multiply
    146,484.54x = 219,715.65 × 46,647.90
  4. Step 4: Simplify right side
    146,484.54x = 10,249,273,669.64
  5. Step 5: Solve for x
    x = 10,249,273,669.64/146,484.54
  6. Step 6: Final answer
    x = 69,968.30

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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.