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Finding the Fourth Proportional to 175,476.86, 242,187.84 and 99,017.63

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Solution

The fourth proportional to 175,476.86, 242,187.84 and 99,017.63 is: 136,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,476.86 : 242,187.84 = 99,017.63 : x
  2. Step 2: Convert to fraction form
    175,476.86/242,187.84 = 99,017.63/x
  3. Step 3: Cross multiply
    175,476.86x = 242,187.84 × 99,017.63
  4. Step 4: Simplify right side
    175,476.86x = 23,980,865,931.62
  5. Step 5: Solve for x
    x = 23,980,865,931.62/175,476.86
  6. Step 6: Final answer
    x = 136,661.13

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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.