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Finding the Fourth Proportional to 181,019.34, 249,794.69 and 100,441.76

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Solution

The fourth proportional to 181,019.34, 249,794.69 and 100,441.76 is: 138,602.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,019.34 : 249,794.69 = 100,441.76 : x
  2. Step 2: Convert to fraction form
    181,019.34/249,794.69 = 100,441.76/x
  3. Step 3: Cross multiply
    181,019.34x = 249,794.69 × 100,441.76
  4. Step 4: Simplify right side
    181,019.34x = 25,089,816,551.07
  5. Step 5: Solve for x
    x = 25,089,816,551.07/181,019.34
  6. Step 6: Final answer
    x = 138,602.96

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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.