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Finding the Fourth Proportional to 176,627.84, 243,623.04 and 119,940.80

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Solution

The fourth proportional to 176,627.84, 243,623.04 and 119,940.80 is: 165,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,627.84 : 243,623.04 = 119,940.80 : x
  2. Step 2: Convert to fraction form
    176,627.84/243,623.04 = 119,940.80/x
  3. Step 3: Cross multiply
    176,627.84x = 243,623.04 × 119,940.80
  4. Step 4: Simplify right side
    176,627.84x = 29,220,342,316.03
  5. Step 5: Solve for x
    x = 29,220,342,316.03/176,627.84
  6. Step 6: Final answer
    x = 165,434.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.