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Finding the Fourth Proportional to 124,811.40, 175,047 and 124,811.40

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Solution

The fourth proportional to 124,811.40, 175,047 and 124,811.40 is: 175,047

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,811.40 : 175,047 = 124,811.40 : x
  2. Step 2: Convert to fraction form
    124,811.40/175,047 = 124,811.40/x
  3. Step 3: Cross multiply
    124,811.40x = 175,047 × 124,811.40
  4. Step 4: Simplify right side
    124,811.40x = 21,847,861,135.80
  5. Step 5: Solve for x
    x = 21,847,861,135.80/124,811.40
  6. Step 6: Final answer
    x = 175,047

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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.