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Finding the Fourth Proportional to 173,386.47, 260,079.70 and 48,727.47

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Solution

The fourth proportional to 173,386.47, 260,079.70 and 48,727.47 is: 73,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,386.47 : 260,079.70 = 48,727.47 : x
  2. Step 2: Convert to fraction form
    173,386.47/260,079.70 = 48,727.47/x
  3. Step 3: Cross multiply
    173,386.47x = 260,079.70 × 48,727.47
  4. Step 4: Simplify right side
    173,386.47x = 12,673,024,478.96
  5. Step 5: Solve for x
    x = 12,673,024,478.96/173,386.47
  6. Step 6: Final answer
    x = 73,091.20

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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.