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Finding the Fourth Proportional to 179,574.32, 247,816.31 and 99,005.24

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Solution

The fourth proportional to 179,574.32, 247,816.31 and 99,005.24 is: 136,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,574.32 : 247,816.31 = 99,005.24 : x
  2. Step 2: Convert to fraction form
    179,574.32/247,816.31 = 99,005.24/x
  3. Step 3: Cross multiply
    179,574.32x = 247,816.31 × 99,005.24
  4. Step 4: Simplify right side
    179,574.32x = 24,535,111,513.36
  5. Step 5: Solve for x
    x = 24,535,111,513.36/179,574.32
  6. Step 6: Final answer
    x = 136,629.29

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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.