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Finding the Fourth Proportional to 186,993.61, 280,490.42 and 46,752.24

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Solution

The fourth proportional to 186,993.61, 280,490.42 and 46,752.24 is: 70,128.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,993.61 : 280,490.42 = 46,752.24 : x
  2. Step 2: Convert to fraction form
    186,993.61/280,490.42 = 46,752.24/x
  3. Step 3: Cross multiply
    186,993.61x = 280,490.42 × 46,752.24
  4. Step 4: Simplify right side
    186,993.61x = 13,113,554,893.01
  5. Step 5: Solve for x
    x = 13,113,554,893.01/186,993.61
  6. Step 6: Final answer
    x = 70,128.36

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1.5x scale

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.