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Finding the Fourth Proportional to 124,853.80, 175,028.60 and 124,853.80

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Solution

The fourth proportional to 124,853.80, 175,028.60 and 124,853.80 is: 175,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,853.80 : 175,028.60 = 124,853.80 : x
  2. Step 2: Convert to fraction form
    124,853.80/175,028.60 = 124,853.80/x
  3. Step 3: Cross multiply
    124,853.80x = 175,028.60 × 124,853.80
  4. Step 4: Simplify right side
    124,853.80x = 21,852,985,818.68
  5. Step 5: Solve for x
    x = 21,852,985,818.68/124,853.80
  6. Step 6: Final answer
    x = 175,028.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.