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Finding the Fourth Proportional to 369,212.34, 553,830.66 and 102,950.37

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Solution

The fourth proportional to 369,212.34, 553,830.66 and 102,950.37 is: 154,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,212.34 : 553,830.66 = 102,950.37 : x
  2. Step 2: Convert to fraction form
    369,212.34/553,830.66 = 102,950.37/x
  3. Step 3: Cross multiply
    369,212.34x = 553,830.66 × 102,950.37
  4. Step 4: Simplify right side
    369,212.34x = 57,017,071,364.34
  5. Step 5: Solve for x
    x = 57,017,071,364.34/369,212.34
  6. Step 6: Final answer
    x = 154,428.94

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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.