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Finding the Fourth Proportional to 186,735.52, 280,139.70 and 60,407.08

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Solution

The fourth proportional to 186,735.52, 280,139.70 and 60,407.08 is: 90,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,735.52 : 280,139.70 = 60,407.08 : x
  2. Step 2: Convert to fraction form
    186,735.52/280,139.70 = 60,407.08/x
  3. Step 3: Cross multiply
    186,735.52x = 280,139.70 × 60,407.08
  4. Step 4: Simplify right side
    186,735.52x = 16,922,421,269.08
  5. Step 5: Solve for x
    x = 16,922,421,269.08/186,735.52
  6. Step 6: Final answer
    x = 90,622.40

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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.