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Finding the Fourth Proportional to 116,782.59, 175,085.53 and 49,335.51

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Solution

The fourth proportional to 116,782.59, 175,085.53 and 49,335.51 is: 73,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,782.59 : 175,085.53 = 49,335.51 : x
  2. Step 2: Convert to fraction form
    116,782.59/175,085.53 = 49,335.51/x
  3. Step 3: Cross multiply
    116,782.59x = 175,085.53 × 49,335.51
  4. Step 4: Simplify right side
    116,782.59x = 8,637,933,916.17
  5. Step 5: Solve for x
    x = 8,637,933,916.17/116,782.59
  6. Step 6: Final answer
    x = 73,965.94

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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.