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Finding the Fourth Proportional to 175,490.01, 242,175.96 and 99,009

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Solution

The fourth proportional to 175,490.01, 242,175.96 and 99,009 is: 136,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,490.01 : 242,175.96 = 99,009 : x
  2. Step 2: Convert to fraction form
    175,490.01/242,175.96 = 99,009/x
  3. Step 3: Cross multiply
    175,490.01x = 242,175.96 × 99,009
  4. Step 4: Simplify right side
    175,490.01x = 23,977,599,623.64
  5. Step 5: Solve for x
    x = 23,977,599,623.64/175,490.01
  6. Step 6: Final answer
    x = 136,632.28

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1.5x scale

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.