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Finding the Fourth Proportional to 175,369.04, 242,008.80 and 99,918.08

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Solution

The fourth proportional to 175,369.04, 242,008.80 and 99,918.08 is: 137,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,369.04 : 242,008.80 = 99,918.08 : x
  2. Step 2: Convert to fraction form
    175,369.04/242,008.80 = 99,918.08/x
  3. Step 3: Cross multiply
    175,369.04x = 242,008.80 × 99,918.08
  4. Step 4: Simplify right side
    175,369.04x = 24,181,054,639.10
  5. Step 5: Solve for x
    x = 24,181,054,639.10/175,369.04
  6. Step 6: Final answer
    x = 137,886.68

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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.