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Finding the Fourth Proportional to 183,498.82, 253,238.61 and 138,095.26

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Solution

The fourth proportional to 183,498.82, 253,238.61 and 138,095.26 is: 190,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,498.82 : 253,238.61 = 138,095.26 : x
  2. Step 2: Convert to fraction form
    183,498.82/253,238.61 = 138,095.26/x
  3. Step 3: Cross multiply
    183,498.82x = 253,238.61 × 138,095.26
  4. Step 4: Simplify right side
    183,498.82x = 34,971,051,689.99
  5. Step 5: Solve for x
    x = 34,971,051,689.99/183,498.82
  6. Step 6: Final answer
    x = 190,579.16

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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.