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Finding the Fourth Proportional to 176,806.60, 264,821.10 and 153,478.60

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Solution

The fourth proportional to 176,806.60, 264,821.10 and 153,478.60 is: 229,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,806.60 : 264,821.10 = 153,478.60 : x
  2. Step 2: Convert to fraction form
    176,806.60/264,821.10 = 153,478.60/x
  3. Step 3: Cross multiply
    176,806.60x = 264,821.10 × 153,478.60
  4. Step 4: Simplify right side
    176,806.60x = 40,644,371,678.46
  5. Step 5: Solve for x
    x = 40,644,371,678.46/176,806.60
  6. Step 6: Final answer
    x = 229,880.40

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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.