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Finding the Fourth Proportional to 63,140.48, 94,620.48 and 46,368.92

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Solution

The fourth proportional to 63,140.48, 94,620.48 and 46,368.92 is: 69,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,140.48 : 94,620.48 = 46,368.92 : x
  2. Step 2: Convert to fraction form
    63,140.48/94,620.48 = 46,368.92/x
  3. Step 3: Cross multiply
    63,140.48x = 94,620.48 × 46,368.92
  4. Step 4: Simplify right side
    63,140.48x = 4,387,449,467.48
  5. Step 5: Solve for x
    x = 4,387,449,467.48/63,140.48
  6. Step 6: Final answer
    x = 69,487.11

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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.