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Finding the Fourth Proportional to 181,013.67, 249,798.05 and 100,441.01

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Solution

The fourth proportional to 181,013.67, 249,798.05 and 100,441.01 is: 138,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,013.67 : 249,798.05 = 100,441.01 : x
  2. Step 2: Convert to fraction form
    181,013.67/249,798.05 = 100,441.01/x
  3. Step 3: Cross multiply
    181,013.67x = 249,798.05 × 100,441.01
  4. Step 4: Simplify right side
    181,013.67x = 25,089,967,189.04
  5. Step 5: Solve for x
    x = 25,089,967,189.04/181,013.67
  6. Step 6: Final answer
    x = 138,608.14

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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.