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Finding the Fourth Proportional to 186,482.48, 257,336.87 and 105,899.36

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Solution

The fourth proportional to 186,482.48, 257,336.87 and 105,899.36 is: 146,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,482.48 : 257,336.87 = 105,899.36 : x
  2. Step 2: Convert to fraction form
    186,482.48/257,336.87 = 105,899.36/x
  3. Step 3: Cross multiply
    186,482.48x = 257,336.87 × 105,899.36
  4. Step 4: Simplify right side
    186,482.48x = 27,251,808,021.22
  5. Step 5: Solve for x
    x = 27,251,808,021.22/186,482.48
  6. Step 6: Final answer
    x = 146,136.03

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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.