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Finding the Fourth Proportional to 104,298.40, 156,332.40 and 57,584.80

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Solution

The fourth proportional to 104,298.40, 156,332.40 and 57,584.80 is: 86,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,298.40 : 156,332.40 = 57,584.80 : x
  2. Step 2: Convert to fraction form
    104,298.40/156,332.40 = 57,584.80/x
  3. Step 3: Cross multiply
    104,298.40x = 156,332.40 × 57,584.80
  4. Step 4: Simplify right side
    104,298.40x = 9,002,369,987.52
  5. Step 5: Solve for x
    x = 9,002,369,987.52/104,298.40
  6. Step 6: Final answer
    x = 86,313.60

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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.