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Finding the Fourth Proportional to 108,683.44, 163,025.74 and 49,477.72

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Solution

The fourth proportional to 108,683.44, 163,025.74 and 49,477.72 is: 74,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,683.44 : 163,025.74 = 49,477.72 : x
  2. Step 2: Convert to fraction form
    108,683.44/163,025.74 = 49,477.72/x
  3. Step 3: Cross multiply
    108,683.44x = 163,025.74 × 49,477.72
  4. Step 4: Simplify right side
    108,683.44x = 8,066,141,916.51
  5. Step 5: Solve for x
    x = 8,066,141,916.51/108,683.44
  6. Step 6: Final answer
    x = 74,216.84

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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.