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Finding the Fourth Proportional to 118,041.04, 161,980.22 and 107,349.04

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Solution

The fourth proportional to 118,041.04, 161,980.22 and 107,349.04 is: 147,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,041.04 : 161,980.22 = 107,349.04 : x
  2. Step 2: Convert to fraction form
    118,041.04/161,980.22 = 107,349.04/x
  3. Step 3: Cross multiply
    118,041.04x = 161,980.22 × 107,349.04
  4. Step 4: Simplify right side
    118,041.04x = 17,388,421,115.99
  5. Step 5: Solve for x
    x = 17,388,421,115.99/118,041.04
  6. Step 6: Final answer
    x = 147,308.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.