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Finding the Fourth Proportional to 104,300.40, 156,335.40 and 57,586.80

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Solution

The fourth proportional to 104,300.40, 156,335.40 and 57,586.80 is: 86,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,300.40 : 156,335.40 = 57,586.80 : x
  2. Step 2: Convert to fraction form
    104,300.40/156,335.40 = 57,586.80/x
  3. Step 3: Cross multiply
    104,300.40x = 156,335.40 × 57,586.80
  4. Step 4: Simplify right side
    104,300.40x = 9,002,855,412.72
  5. Step 5: Solve for x
    x = 9,002,855,412.72/104,300.40
  6. Step 6: Final answer
    x = 86,316.60

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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.