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Finding the Fourth Proportional to 301,862.93, 452,809.90 and 77,225.31

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Solution

The fourth proportional to 301,862.93, 452,809.90 and 77,225.31 is: 115,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,862.93 : 452,809.90 = 77,225.31 : x
  2. Step 2: Convert to fraction form
    301,862.93/452,809.90 = 77,225.31/x
  3. Step 3: Cross multiply
    301,862.93x = 452,809.90 × 77,225.31
  4. Step 4: Simplify right side
    301,862.93x = 34,968,382,248.39
  5. Step 5: Solve for x
    x = 34,968,382,248.39/301,862.93
  6. Step 6: Final answer
    x = 115,841.92

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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.