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Finding the Fourth Proportional to 173,389.20, 260,083.80 and 48,730.20

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Solution

The fourth proportional to 173,389.20, 260,083.80 and 48,730.20 is: 73,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,389.20 : 260,083.80 = 48,730.20 : x
  2. Step 2: Convert to fraction form
    173,389.20/260,083.80 = 48,730.20/x
  3. Step 3: Cross multiply
    173,389.20x = 260,083.80 × 48,730.20
  4. Step 4: Simplify right side
    173,389.20x = 12,673,935,590.76
  5. Step 5: Solve for x
    x = 12,673,935,590.76/173,389.20
  6. Step 6: Final answer
    x = 73,095.30

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1.5x scale

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.