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Finding the Fourth Proportional to 75,866.68, 104,683.50 and 42,332.60

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Solution

The fourth proportional to 75,866.68, 104,683.50 and 42,332.60 is: 58,412.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,866.68 : 104,683.50 = 42,332.60 : x
  2. Step 2: Convert to fraction form
    75,866.68/104,683.50 = 42,332.60/x
  3. Step 3: Cross multiply
    75,866.68x = 104,683.50 × 42,332.60
  4. Step 4: Simplify right side
    75,866.68x = 4,431,524,732.10
  5. Step 5: Solve for x
    x = 4,431,524,732.10/75,866.68
  6. Step 6: Final answer
    x = 58,412.00

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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.