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Finding the Fourth Proportional to 90,224.96, 124,501.86 and 61,094

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Solution

The fourth proportional to 90,224.96, 124,501.86 and 61,094 is: 84,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,224.96 : 124,501.86 = 61,094 : x
  2. Step 2: Convert to fraction form
    90,224.96/124,501.86 = 61,094/x
  3. Step 3: Cross multiply
    90,224.96x = 124,501.86 × 61,094
  4. Step 4: Simplify right side
    90,224.96x = 7,606,316,634.84
  5. Step 5: Solve for x
    x = 7,606,316,634.84/90,224.96
  6. Step 6: Final answer
    x = 84,303.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.