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Finding the Fourth Proportional to 119,153.39, 178,754.72 and 34,916.31

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Solution

The fourth proportional to 119,153.39, 178,754.72 and 34,916.31 is: 52,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,153.39 : 178,754.72 = 34,916.31 : x
  2. Step 2: Convert to fraction form
    119,153.39/178,754.72 = 34,916.31/x
  3. Step 3: Cross multiply
    119,153.39x = 178,754.72 × 34,916.31
  4. Step 4: Simplify right side
    119,153.39x = 6,241,455,042.90
  5. Step 5: Solve for x
    x = 6,241,455,042.90/119,153.39
  6. Step 6: Final answer
    x = 52,381.68

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1.5x scale

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.