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Finding the Fourth Proportional to 183,661.68, 253,433.62 and 103,098.06

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Solution

The fourth proportional to 183,661.68, 253,433.62 and 103,098.06 is: 142,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,661.68 : 253,433.62 = 103,098.06 : x
  2. Step 2: Convert to fraction form
    183,661.68/253,433.62 = 103,098.06/x
  3. Step 3: Cross multiply
    183,661.68x = 253,433.62 × 103,098.06
  4. Step 4: Simplify right side
    183,661.68x = 26,128,514,560.78
  5. Step 5: Solve for x
    x = 26,128,514,560.78/183,661.68
  6. Step 6: Final answer
    x = 142,264.38

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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.