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Finding the Fourth Proportional to 86,454.42, 119,307 and 46,710.42

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Solution

The fourth proportional to 86,454.42, 119,307 and 46,710.42 is: 64,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,454.42 : 119,307 = 46,710.42 : x
  2. Step 2: Convert to fraction form
    86,454.42/119,307 = 46,710.42/x
  3. Step 3: Cross multiply
    86,454.42x = 119,307 × 46,710.42
  4. Step 4: Simplify right side
    86,454.42x = 5,572,880,078.94
  5. Step 5: Solve for x
    x = 5,572,880,078.94/86,454.42
  6. Step 6: Final answer
    x = 64,460.33

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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.