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Finding the Fourth Proportional to 181,506.21, 272,259.59 and 70,698.21

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Solution

The fourth proportional to 181,506.21, 272,259.59 and 70,698.21 is: 106,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,506.21 : 272,259.59 = 70,698.21 : x
  2. Step 2: Convert to fraction form
    181,506.21/272,259.59 = 70,698.21/x
  3. Step 3: Cross multiply
    181,506.21x = 272,259.59 × 70,698.21
  4. Step 4: Simplify right side
    181,506.21x = 19,248,265,314.84
  5. Step 5: Solve for x
    x = 19,248,265,314.84/181,506.21
  6. Step 6: Final answer
    x = 106,047.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.