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Finding the Fourth Proportional to 124,853.36, 187,326.72 and 64,844.36

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Solution

The fourth proportional to 124,853.36, 187,326.72 and 64,844.36 is: 97,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,853.36 : 187,326.72 = 64,844.36 : x
  2. Step 2: Convert to fraction form
    124,853.36/187,326.72 = 64,844.36/x
  3. Step 3: Cross multiply
    124,853.36x = 187,326.72 × 64,844.36
  4. Step 4: Simplify right side
    124,853.36x = 12,147,081,269.30
  5. Step 5: Solve for x
    x = 12,147,081,269.30/124,853.36
  6. Step 6: Final answer
    x = 97,290.78

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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.