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Finding the Fourth Proportional to 235,774.67, 353,463.62 and 102,554.58

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Solution

The fourth proportional to 235,774.67, 353,463.62 and 102,554.58 is: 153,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,774.67 : 353,463.62 = 102,554.58 : x
  2. Step 2: Convert to fraction form
    235,774.67/353,463.62 = 102,554.58/x
  3. Step 3: Cross multiply
    235,774.67x = 353,463.62 × 102,554.58
  4. Step 4: Simplify right side
    235,774.67x = 36,249,312,581.61
  5. Step 5: Solve for x
    x = 36,249,312,581.61/235,774.67
  6. Step 6: Final answer
    x = 153,745.58

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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.