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Finding the Fourth Proportional to 178,156.87, 245,862.46 and 97,588.93

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Solution

The fourth proportional to 178,156.87, 245,862.46 and 97,588.93 is: 134,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,156.87 : 245,862.46 = 97,588.93 : x
  2. Step 2: Convert to fraction form
    178,156.87/245,862.46 = 97,588.93/x
  3. Step 3: Cross multiply
    178,156.87x = 245,862.46 × 97,588.93
  4. Step 4: Simplify right side
    178,156.87x = 23,993,453,949.87
  5. Step 5: Solve for x
    x = 23,993,453,949.87/178,156.87
  6. Step 6: Final answer
    x = 134,676.00

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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.