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Finding the Fourth Proportional to 124,466.35, 186,765.27 and 74,646.49

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Solution

The fourth proportional to 124,466.35, 186,765.27 and 74,646.49 is: 112,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,466.35 : 186,765.27 = 74,646.49 : x
  2. Step 2: Convert to fraction form
    124,466.35/186,765.27 = 74,646.49/x
  3. Step 3: Cross multiply
    124,466.35x = 186,765.27 × 74,646.49
  4. Step 4: Simplify right side
    124,466.35x = 13,941,371,859.40
  5. Step 5: Solve for x
    x = 13,941,371,859.40/124,466.35
  6. Step 6: Final answer
    x = 112,009.16

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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.