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Finding the Fourth Proportional to 104,818.80, 157,228.20 and 62,828.40

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Solution

The fourth proportional to 104,818.80, 157,228.20 and 62,828.40 is: 94,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,818.80 : 157,228.20 = 62,828.40 : x
  2. Step 2: Convert to fraction form
    104,818.80/157,228.20 = 62,828.40/x
  3. Step 3: Cross multiply
    104,818.80x = 157,228.20 × 62,828.40
  4. Step 4: Simplify right side
    104,818.80x = 9,878,396,240.88
  5. Step 5: Solve for x
    x = 9,878,396,240.88/104,818.80
  6. Step 6: Final answer
    x = 94,242.60

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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.