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Finding the Fourth Proportional to 308,097.03, 425,166.06 and 172,132.01

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Solution

The fourth proportional to 308,097.03, 425,166.06 and 172,132.01 is: 237,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,097.03 : 425,166.06 = 172,132.01 : x
  2. Step 2: Convert to fraction form
    308,097.03/425,166.06 = 172,132.01/x
  3. Step 3: Cross multiply
    308,097.03x = 425,166.06 × 172,132.01
  4. Step 4: Simplify right side
    308,097.03x = 73,184,686,365.75
  5. Step 5: Solve for x
    x = 73,184,686,365.75/308,097.03
  6. Step 6: Final answer
    x = 237,537.79

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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.