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Finding the Fourth Proportional to 124,599.95, 186,928.55 and 35,854.19

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Solution

The fourth proportional to 124,599.95, 186,928.55 and 35,854.19 is: 53,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,599.95 : 186,928.55 = 35,854.19 : x
  2. Step 2: Convert to fraction form
    124,599.95/186,928.55 = 35,854.19/x
  3. Step 3: Cross multiply
    124,599.95x = 186,928.55 × 35,854.19
  4. Step 4: Simplify right side
    124,599.95x = 6,702,171,748.12
  5. Step 5: Solve for x
    x = 6,702,171,748.12/124,599.95
  6. Step 6: Final answer
    x = 53,789.52

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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.