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Finding the Fourth Proportional to 114,925.70, 172,068.60 and 58,644.20

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Solution

The fourth proportional to 114,925.70, 172,068.60 and 58,644.20 is: 87,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,925.70 : 172,068.60 = 58,644.20 : x
  2. Step 2: Convert to fraction form
    114,925.70/172,068.60 = 58,644.20/x
  3. Step 3: Cross multiply
    114,925.70x = 172,068.60 × 58,644.20
  4. Step 4: Simplify right side
    114,925.70x = 10,090,825,392.12
  5. Step 5: Solve for x
    x = 10,090,825,392.12/114,925.70
  6. Step 6: Final answer
    x = 87,803.04

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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.