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Finding the Fourth Proportional to 225,071.88, 310,587.60 and 123,077.49

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Solution

The fourth proportional to 225,071.88, 310,587.60 and 123,077.49 is: 169,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,071.88 : 310,587.60 = 123,077.49 : x
  2. Step 2: Convert to fraction form
    225,071.88/310,587.60 = 123,077.49/x
  3. Step 3: Cross multiply
    225,071.88x = 310,587.60 × 123,077.49
  4. Step 4: Simplify right side
    225,071.88x = 38,226,342,233.12
  5. Step 5: Solve for x
    x = 38,226,342,233.12/225,071.88
  6. Step 6: Final answer
    x = 169,840.60

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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.