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Finding the Fourth Proportional to 220,346.48, 304,066.08 and 124,851.08

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Solution

The fourth proportional to 220,346.48, 304,066.08 and 124,851.08 is: 172,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,346.48 : 304,066.08 = 124,851.08 : x
  2. Step 2: Convert to fraction form
    220,346.48/304,066.08 = 124,851.08/x
  3. Step 3: Cross multiply
    220,346.48x = 304,066.08 × 124,851.08
  4. Step 4: Simplify right side
    220,346.48x = 37,962,978,479.37
  5. Step 5: Solve for x
    x = 37,962,978,479.37/220,346.48
  6. Step 6: Final answer
    x = 172,287.66

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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.