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Finding the Fourth Proportional to 186,567.53, 257,259.92 and 126,033.12

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Solution

The fourth proportional to 186,567.53, 257,259.92 and 126,033.12 is: 173,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,567.53 : 257,259.92 = 126,033.12 : x
  2. Step 2: Convert to fraction form
    186,567.53/257,259.92 = 126,033.12/x
  3. Step 3: Cross multiply
    186,567.53x = 257,259.92 × 126,033.12
  4. Step 4: Simplify right side
    186,567.53x = 32,423,269,738.38
  5. Step 5: Solve for x
    x = 32,423,269,738.38/186,567.53
  6. Step 6: Final answer
    x = 173,788.39

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1.5x scale

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.