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Finding the Fourth Proportional to 86,433.34, 119,277.84 and 46,689.34

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Solution

The fourth proportional to 86,433.34, 119,277.84 and 46,689.34 is: 64,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,433.34 : 119,277.84 = 46,689.34 : x
  2. Step 2: Convert to fraction form
    86,433.34/119,277.84 = 46,689.34/x
  3. Step 3: Cross multiply
    86,433.34x = 119,277.84 × 46,689.34
  4. Step 4: Simplify right side
    86,433.34x = 5,569,003,626.23
  5. Step 5: Solve for x
    x = 5,569,003,626.23/86,433.34
  6. Step 6: Final answer
    x = 64,431.20

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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.