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Finding the Fourth Proportional to 92,866.36, 128,154.25 and 52,579.07

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Solution

The fourth proportional to 92,866.36, 128,154.25 and 52,579.07 is: 72,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,866.36 : 128,154.25 = 52,579.07 : x
  2. Step 2: Convert to fraction form
    92,866.36/128,154.25 = 52,579.07/x
  3. Step 3: Cross multiply
    92,866.36x = 128,154.25 × 52,579.07
  4. Step 4: Simplify right side
    92,866.36x = 6,738,231,281.55
  5. Step 5: Solve for x
    x = 6,738,231,281.55/92,866.36
  6. Step 6: Final answer
    x = 72,558.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.