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Finding the Fourth Proportional to 118,794.90, 178,154.28 and 62,603.58

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Solution

The fourth proportional to 118,794.90, 178,154.28 and 62,603.58 is: 93,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,794.90 : 178,154.28 = 62,603.58 : x
  2. Step 2: Convert to fraction form
    118,794.90/178,154.28 = 62,603.58/x
  3. Step 3: Cross multiply
    118,794.90x = 178,154.28 × 62,603.58
  4. Step 4: Simplify right side
    118,794.90x = 11,153,095,720.32
  5. Step 5: Solve for x
    x = 11,153,095,720.32/118,794.90
  6. Step 6: Final answer
    x = 93,885.31

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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.