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Finding the Fourth Proportional to 119,169, 178,753.50 and 44,307.99

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Solution

The fourth proportional to 119,169, 178,753.50 and 44,307.99 is: 66,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,169 : 178,753.50 = 44,307.99 : x
  2. Step 2: Convert to fraction form
    119,169/178,753.50 = 44,307.99/x
  3. Step 3: Cross multiply
    119,169x = 178,753.50 × 44,307.99
  4. Step 4: Simplify right side
    119,169x = 7,920,208,290.47
  5. Step 5: Solve for x
    x = 7,920,208,290.47/119,169
  6. Step 6: Final answer
    x = 66,461.99

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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.