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Finding the Fourth Proportional to 175,955.16, 242,815.14 and 99,473.07

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Solution

The fourth proportional to 175,955.16, 242,815.14 and 99,473.07 is: 137,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,955.16 : 242,815.14 = 99,473.07 : x
  2. Step 2: Convert to fraction form
    175,955.16/242,815.14 = 99,473.07/x
  3. Step 3: Cross multiply
    175,955.16x = 242,815.14 × 99,473.07
  4. Step 4: Simplify right side
    175,955.16x = 24,153,567,418.28
  5. Step 5: Solve for x
    x = 24,153,567,418.28/175,955.16
  6. Step 6: Final answer
    x = 137,271.15

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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.