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Finding the Fourth Proportional to 114,719.60, 172,078.71 and 44,598.91

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Solution

The fourth proportional to 114,719.60, 172,078.71 and 44,598.91 is: 66,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,719.60 : 172,078.71 = 44,598.91 : x
  2. Step 2: Convert to fraction form
    114,719.60/172,078.71 = 44,598.91/x
  3. Step 3: Cross multiply
    114,719.60x = 172,078.71 × 44,598.91
  4. Step 4: Simplify right side
    114,719.60x = 7,674,523,044.31
  5. Step 5: Solve for x
    x = 7,674,523,044.31/114,719.60
  6. Step 6: Final answer
    x = 66,898.10

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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.