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Finding the Fourth Proportional to 124,303.28, 186,617.52 and 73,794.51

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Solution

The fourth proportional to 124,303.28, 186,617.52 and 73,794.51 is: 110,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,303.28 : 186,617.52 = 73,794.51 : x
  2. Step 2: Convert to fraction form
    124,303.28/186,617.52 = 73,794.51/x
  3. Step 3: Cross multiply
    124,303.28x = 186,617.52 × 73,794.51
  4. Step 4: Simplify right side
    124,303.28x = 13,771,348,445.82
  5. Step 5: Solve for x
    x = 13,771,348,445.82/124,303.28
  6. Step 6: Final answer
    x = 110,788.30

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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.