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Finding the Fourth Proportional to 273,015.47, 409,543.91 and 93,044.95

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Solution

The fourth proportional to 273,015.47, 409,543.91 and 93,044.95 is: 139,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,015.47 : 409,543.91 = 93,044.95 : x
  2. Step 2: Convert to fraction form
    273,015.47/409,543.91 = 93,044.95/x
  3. Step 3: Cross multiply
    273,015.47x = 409,543.91 × 93,044.95
  4. Step 4: Simplify right side
    273,015.47x = 38,105,991,837.51
  5. Step 5: Solve for x
    x = 38,105,991,837.51/273,015.47
  6. Step 6: Final answer
    x = 139,574.48

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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.