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Finding the Fourth Proportional to 316,068.99, 436,091.14 and 180,100.02

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Solution

The fourth proportional to 316,068.99, 436,091.14 and 180,100.02 is: 248,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,068.99 : 436,091.14 = 180,100.02 : x
  2. Step 2: Convert to fraction form
    316,068.99/436,091.14 = 180,100.02/x
  3. Step 3: Cross multiply
    316,068.99x = 436,091.14 × 180,100.02
  4. Step 4: Simplify right side
    316,068.99x = 78,540,024,896.29
  5. Step 5: Solve for x
    x = 78,540,024,896.29/316,068.99
  6. Step 6: Final answer
    x = 248,490.13

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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.