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Finding the Fourth Proportional to 181,054.54, 249,885.30 and 105,603.04

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Solution

The fourth proportional to 181,054.54, 249,885.30 and 105,603.04 is: 145,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,054.54 : 249,885.30 = 105,603.04 : x
  2. Step 2: Convert to fraction form
    181,054.54/249,885.30 = 105,603.04/x
  3. Step 3: Cross multiply
    181,054.54x = 249,885.30 × 105,603.04
  4. Step 4: Simplify right side
    181,054.54x = 26,388,647,331.31
  5. Step 5: Solve for x
    x = 26,388,647,331.31/181,054.54
  6. Step 6: Final answer
    x = 145,749.71

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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.