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Finding the Fourth Proportional to 104,164.64, 143,746.53 and 58,857.29

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Solution

The fourth proportional to 104,164.64, 143,746.53 and 58,857.29 is: 81,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,164.64 : 143,746.53 = 58,857.29 : x
  2. Step 2: Convert to fraction form
    104,164.64/143,746.53 = 58,857.29/x
  3. Step 3: Cross multiply
    104,164.64x = 143,746.53 × 58,857.29
  4. Step 4: Simplify right side
    104,164.64x = 8,460,531,133.38
  5. Step 5: Solve for x
    x = 8,460,531,133.38/104,164.64
  6. Step 6: Final answer
    x = 81,222.68

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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.