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Finding the Fourth Proportional to 181,533.36, 250,516.56 and 100,966.08

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Solution

The fourth proportional to 181,533.36, 250,516.56 and 100,966.08 is: 139,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,533.36 : 250,516.56 = 100,966.08 : x
  2. Step 2: Convert to fraction form
    181,533.36/250,516.56 = 100,966.08/x
  3. Step 3: Cross multiply
    181,533.36x = 250,516.56 × 100,966.08
  4. Step 4: Simplify right side
    181,533.36x = 25,293,675,038.28
  5. Step 5: Solve for x
    x = 25,293,675,038.28/181,533.36
  6. Step 6: Final answer
    x = 139,333.48

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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.