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Finding the Fourth Proportional to 225,000, 310,506.48 and 124,404.48

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Solution

The fourth proportional to 225,000, 310,506.48 and 124,404.48 is: 171,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,000 : 310,506.48 = 124,404.48 : x
  2. Step 2: Convert to fraction form
    225,000/310,506.48 = 124,404.48/x
  3. Step 3: Cross multiply
    225,000x = 310,506.48 × 124,404.48
  4. Step 4: Simplify right side
    225,000x = 38,628,397,181.03
  5. Step 5: Solve for x
    x = 38,628,397,181.03/225,000
  6. Step 6: Final answer
    x = 171,681.77

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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.