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Finding the Fourth Proportional to 159,395.90, 238,503.29 and 117,307.08

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Solution

The fourth proportional to 159,395.90, 238,503.29 and 117,307.08 is: 175,526.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,395.90 : 238,503.29 = 117,307.08 : x
  2. Step 2: Convert to fraction form
    159,395.90/238,503.29 = 117,307.08/x
  3. Step 3: Cross multiply
    159,395.90x = 238,503.29 × 117,307.08
  4. Step 4: Simplify right side
    159,395.90x = 27,978,124,813.56
  5. Step 5: Solve for x
    x = 27,978,124,813.56/159,395.90
  6. Step 6: Final answer
    x = 175,526.01

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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.