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Finding the Fourth Proportional to 119,715.84, 179,518.56 and 35,445.84

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Solution

The fourth proportional to 119,715.84, 179,518.56 and 35,445.84 is: 53,152.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,715.84 : 179,518.56 = 35,445.84 : x
  2. Step 2: Convert to fraction form
    119,715.84/179,518.56 = 35,445.84/x
  3. Step 3: Cross multiply
    119,715.84x = 179,518.56 × 35,445.84
  4. Step 4: Simplify right side
    119,715.84x = 6,363,186,154.79
  5. Step 5: Solve for x
    x = 6,363,186,154.79/119,715.84
  6. Step 6: Final answer
    x = 53,152.42

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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.