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Finding the Fourth Proportional to 238,737.14, 358,075.11 and 78,773.48

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Solution

The fourth proportional to 238,737.14, 358,075.11 and 78,773.48 is: 118,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,737.14 : 358,075.11 = 78,773.48 : x
  2. Step 2: Convert to fraction form
    238,737.14/358,075.11 = 78,773.48/x
  3. Step 3: Cross multiply
    238,737.14x = 358,075.11 × 78,773.48
  4. Step 4: Simplify right side
    238,737.14x = 28,206,822,363.89
  5. Step 5: Solve for x
    x = 28,206,822,363.89/238,737.14
  6. Step 6: Final answer
    x = 118,150.12

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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.