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Finding the Fourth Proportional to 360,068.31, 540,095.51 and 107,519.92

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Solution

The fourth proportional to 360,068.31, 540,095.51 and 107,519.92 is: 161,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,068.31 : 540,095.51 = 107,519.92 : x
  2. Step 2: Convert to fraction form
    360,068.31/540,095.51 = 107,519.92/x
  3. Step 3: Cross multiply
    360,068.31x = 540,095.51 × 107,519.92
  4. Step 4: Simplify right side
    360,068.31x = 58,071,024,946.12
  5. Step 5: Solve for x
    x = 58,071,024,946.12/360,068.31
  6. Step 6: Final answer
    x = 161,277.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.