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Finding the Fourth Proportional to 101,056.32, 151,585.44 and 38,712

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Solution

The fourth proportional to 101,056.32, 151,585.44 and 38,712 is: 58,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,056.32 : 151,585.44 = 38,712 : x
  2. Step 2: Convert to fraction form
    101,056.32/151,585.44 = 38,712/x
  3. Step 3: Cross multiply
    101,056.32x = 151,585.44 × 38,712
  4. Step 4: Simplify right side
    101,056.32x = 5,868,175,553.28
  5. Step 5: Solve for x
    x = 5,868,175,553.28/101,056.32
  6. Step 6: Final answer
    x = 58,068.37

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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.