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Finding the Fourth Proportional to 185,041.63, 255,362.16 and 113,461.12

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Solution

The fourth proportional to 185,041.63, 255,362.16 and 113,461.12 is: 156,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,041.63 : 255,362.16 = 113,461.12 : x
  2. Step 2: Convert to fraction form
    185,041.63/255,362.16 = 113,461.12/x
  3. Step 3: Cross multiply
    185,041.63x = 255,362.16 × 113,461.12
  4. Step 4: Simplify right side
    185,041.63x = 28,973,676,679.22
  5. Step 5: Solve for x
    x = 28,973,676,679.22/185,041.63
  6. Step 6: Final answer
    x = 156,579.23

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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.