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Finding the Fourth Proportional to 103,955.33, 143,457.66 and 58,633.69

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Solution

The fourth proportional to 103,955.33, 143,457.66 and 58,633.69 is: 80,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,955.33 : 143,457.66 = 58,633.69 : x
  2. Step 2: Convert to fraction form
    103,955.33/143,457.66 = 58,633.69/x
  3. Step 3: Cross multiply
    103,955.33x = 143,457.66 × 58,633.69
  4. Step 4: Simplify right side
    103,955.33x = 8,411,451,312.75
  5. Step 5: Solve for x
    x = 8,411,451,312.75/103,955.33
  6. Step 6: Final answer
    x = 80,914.10

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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.