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Finding the Fourth Proportional to 230,862.40, 346,293.60 and 73,106.80

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Solution

The fourth proportional to 230,862.40, 346,293.60 and 73,106.80 is: 109,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,862.40 : 346,293.60 = 73,106.80 : x
  2. Step 2: Convert to fraction form
    230,862.40/346,293.60 = 73,106.80/x
  3. Step 3: Cross multiply
    230,862.40x = 346,293.60 × 73,106.80
  4. Step 4: Simplify right side
    230,862.40x = 25,316,416,956.48
  5. Step 5: Solve for x
    x = 25,316,416,956.48/230,862.40
  6. Step 6: Final answer
    x = 109,660.20

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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.