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Finding the Fourth Proportional to 117,175.44, 175,688.62 and 99,412.23

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Solution

The fourth proportional to 117,175.44, 175,688.62 and 99,412.23 is: 149,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,175.44 : 175,688.62 = 99,412.23 : x
  2. Step 2: Convert to fraction form
    117,175.44/175,688.62 = 99,412.23/x
  3. Step 3: Cross multiply
    117,175.44x = 175,688.62 × 99,412.23
  4. Step 4: Simplify right side
    117,175.44x = 17,465,597,499.82
  5. Step 5: Solve for x
    x = 17,465,597,499.82/117,175.44
  6. Step 6: Final answer
    x = 149,055.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.