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Finding the Fourth Proportional to 173,823.60, 260,929.80 and 162,402.60

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Solution

The fourth proportional to 173,823.60, 260,929.80 and 162,402.60 is: 243,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,823.60 : 260,929.80 = 162,402.60 : x
  2. Step 2: Convert to fraction form
    173,823.60/260,929.80 = 162,402.60/x
  3. Step 3: Cross multiply
    173,823.60x = 260,929.80 × 162,402.60
  4. Step 4: Simplify right side
    173,823.60x = 42,375,677,937.48
  5. Step 5: Solve for x
    x = 42,375,677,937.48/173,823.60
  6. Step 6: Final answer
    x = 243,785.53

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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.