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Finding the Fourth Proportional to 301,754.16, 452,637 and 91,391.28

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Solution

The fourth proportional to 301,754.16, 452,637 and 91,391.28 is: 137,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,754.16 : 452,637 = 91,391.28 : x
  2. Step 2: Convert to fraction form
    301,754.16/452,637 = 91,391.28/x
  3. Step 3: Cross multiply
    301,754.16x = 452,637 × 91,391.28
  4. Step 4: Simplify right side
    301,754.16x = 41,367,074,805.36
  5. Step 5: Solve for x
    x = 41,367,074,805.36/301,754.16
  6. Step 6: Final answer
    x = 137,088.66

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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.