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Finding the Fourth Proportional to 175,666.88, 242,449.00 and 107,721.25

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Solution

The fourth proportional to 175,666.88, 242,449.00 and 107,721.25 is: 148,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,666.88 : 242,449.00 = 107,721.25 : x
  2. Step 2: Convert to fraction form
    175,666.88/242,449.00 = 107,721.25/x
  3. Step 3: Cross multiply
    175,666.88x = 242,449.00 × 107,721.25
  4. Step 4: Simplify right side
    175,666.88x = 26,116,908,465.82
  5. Step 5: Solve for x
    x = 26,116,908,465.82/175,666.88
  6. Step 6: Final answer
    x = 148,672.92

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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.