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Finding the Fourth Proportional to 155,117.52, 232,677 and 61,623

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Solution

The fourth proportional to 155,117.52, 232,677 and 61,623 is: 92,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,117.52 : 232,677 = 61,623 : x
  2. Step 2: Convert to fraction form
    155,117.52/232,677 = 61,623/x
  3. Step 3: Cross multiply
    155,117.52x = 232,677 × 61,623
  4. Step 4: Simplify right side
    155,117.52x = 14,338,254,771
  5. Step 5: Solve for x
    x = 14,338,254,771/155,117.52
  6. Step 6: Final answer
    x = 92,434.79

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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.