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Finding the Fourth Proportional to 156,592.31, 216,097.97 and 84,972.34

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Solution

The fourth proportional to 156,592.31, 216,097.97 and 84,972.34 is: 117,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,592.31 : 216,097.97 = 84,972.34 : x
  2. Step 2: Convert to fraction form
    156,592.31/216,097.97 = 84,972.34/x
  3. Step 3: Cross multiply
    156,592.31x = 216,097.97 × 84,972.34
  4. Step 4: Simplify right side
    156,592.31x = 18,362,350,264.40
  5. Step 5: Solve for x
    x = 18,362,350,264.40/156,592.31
  6. Step 6: Final answer
    x = 117,262.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.