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Finding the Fourth Proportional to 86,424.63, 119,265.98 and 46,680.63

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Solution

The fourth proportional to 86,424.63, 119,265.98 and 46,680.63 is: 64,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,424.63 : 119,265.98 = 46,680.63 : x
  2. Step 2: Convert to fraction form
    86,424.63/119,265.98 = 46,680.63/x
  3. Step 3: Cross multiply
    86,424.63x = 119,265.98 × 46,680.63
  4. Step 4: Simplify right side
    86,424.63x = 5,567,411,083.97
  5. Step 5: Solve for x
    x = 5,567,411,083.97/86,424.63
  6. Step 6: Final answer
    x = 64,419.26

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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.