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Finding the Fourth Proportional to 74,804.48, 103,184.64 and 44,569.92

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Solution

The fourth proportional to 74,804.48, 103,184.64 and 44,569.92 is: 61,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,804.48 : 103,184.64 = 44,569.92 : x
  2. Step 2: Convert to fraction form
    74,804.48/103,184.64 = 44,569.92/x
  3. Step 3: Cross multiply
    74,804.48x = 103,184.64 × 44,569.92
  4. Step 4: Simplify right side
    74,804.48x = 4,598,931,150.03
  5. Step 5: Solve for x
    x = 4,598,931,150.03/74,804.48
  6. Step 6: Final answer
    x = 61,479.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.