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Finding the Fourth Proportional to 173,908.40, 260,279.40 and 152,913.20

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Solution

The fourth proportional to 173,908.40, 260,279.40 and 152,913.20 is: 228,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,908.40 : 260,279.40 = 152,913.20 : x
  2. Step 2: Convert to fraction form
    173,908.40/260,279.40 = 152,913.20/x
  3. Step 3: Cross multiply
    173,908.40x = 260,279.40 × 152,913.20
  4. Step 4: Simplify right side
    173,908.40x = 39,800,155,948.08
  5. Step 5: Solve for x
    x = 39,800,155,948.08/173,908.40
  6. Step 6: Final answer
    x = 228,857.01

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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.