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Finding the Fourth Proportional to 117,252, 175,905.84 and 38,366.16

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Solution

The fourth proportional to 117,252, 175,905.84 and 38,366.16 is: 57,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,252 : 175,905.84 = 38,366.16 : x
  2. Step 2: Convert to fraction form
    117,252/175,905.84 = 38,366.16/x
  3. Step 3: Cross multiply
    117,252x = 175,905.84 × 38,366.16
  4. Step 4: Simplify right side
    117,252x = 6,748,831,602.37
  5. Step 5: Solve for x
    x = 6,748,831,602.37/117,252
  6. Step 6: Final answer
    x = 57,558.35

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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.