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Finding the Fourth Proportional to 176,495.20, 264,742.80 and 141,503.20

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Solution

The fourth proportional to 176,495.20, 264,742.80 and 141,503.20 is: 212,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,495.20 : 264,742.80 = 141,503.20 : x
  2. Step 2: Convert to fraction form
    176,495.20/264,742.80 = 141,503.20/x
  3. Step 3: Cross multiply
    176,495.20x = 264,742.80 × 141,503.20
  4. Step 4: Simplify right side
    176,495.20x = 37,461,953,376.96
  5. Step 5: Solve for x
    x = 37,461,953,376.96/176,495.20
  6. Step 6: Final answer
    x = 212,254.80

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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.