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Finding the Fourth Proportional to 125,804.89, 173,607.20 and 69,216.27

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Solution

The fourth proportional to 125,804.89, 173,607.20 and 69,216.27 is: 95,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,804.89 : 173,607.20 = 69,216.27 : x
  2. Step 2: Convert to fraction form
    125,804.89/173,607.20 = 69,216.27/x
  3. Step 3: Cross multiply
    125,804.89x = 173,607.20 × 69,216.27
  4. Step 4: Simplify right side
    125,804.89x = 12,016,442,483.06
  5. Step 5: Solve for x
    x = 12,016,442,483.06/125,804.89
  6. Step 6: Final answer
    x = 95,516.50

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1.5x scale

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.